Firefox won't start Windows 7. Firefox won't start - finding a solution to the problem
Imagine the situation: you open Firefox, and the pages load slowly, the browser freezes, and the video does not show. This problem occurs not only on weak PCs. How to get things working? What causes crashes? Let's look at why Mazila slows down ( Mozilla Firefox), and what to do.
Why is this happening
This browser behavior is related to the results of our actions. Namely:
- Many extensions installed;
- Plugin operation conflict;
- A lot of unnecessary information in the story;
- Video slows down;
- Browser consumes a lot random access memory;
- Viruses;
- The browser is not updated.
Let's take a closer look at what to do.
Many extensions installed
Users install many extensions in Firefox without thinking that they put a load on the server, and this will cause the browser to work slowly. How to fix it? Click on the browser menu button, which has three horizontal stripes. Next is “Additions”.
Click on the “Extensions” button on the left. Disable, or better yet, delete them.
Plugin conflict
This is due to the fact that the plugin starts to work incorrectly, or there are many of them installed. What to do? In the browser menu on the left, open the “Plugins” tab. Turn them off. Start with " Shockwave Flash" Restart Mozilla Firefox. If nothing has changed, restore their functionality.
Cleaning up debris
The cache and history accumulate information necessary for comfortable work browser. Over time, it becomes a lot, which leads to a decrease in work speed. To clean, click on the menu button (three horizontal stripes), go to “Settings”.
Clearing cache
In the “Privacy Protection” section, find “Caching”, click the “Clear” button.
Deleting history
In the “Privacy Protection” section we find “History”. Decide what to do with it. Select remember.
A "Delete" link will appear. Click on it. Next, select for how long. Set to "All". Click the "Delete" button.
What else can I do to clean it?
To remove garbage from the cache and history, use CCleaner program. Read about it in detail in the article: "". We perform the following sequence of actions:
I recommend using this program to remove garbage from the cache and history. Run this check if you see that the browser has become worse. With regular using Firefox, this is 2-3 times a week.
SpeedyFox utility
Make your browser work faster using special software - SpeedyFox. Download it from the official website at: https://www.crystalidea.com/downloads/speedyfox.zip. Used in Win 7 and later versions.
How it works
The browser uses SQLITE databases, which load more slowly over time. This occurs due to fragmented databases. The utility compresses them without losing information. They take up less space on the HDD.
Perform the following sequence of actions:
Reboot.
Reducing RAM consumption
I recommend using special utility Firefox Ultimate Optimizer. Download the archive at: https://firefox-ultimate-optimizer.ru.uptodown.com/windows/download. How does Ultimate Optimizer work? One loaded page takes up about two hundred and fifty megabytes of RAM. Check this using the task manager. Opens using the key combination “Win+X”.
Open the downloaded archive and run the “exe” file. The application will be added to the system tray. In Win 10, the same open tab now takes up one megabyte of memory.
Viruses
There is malware that downloads into your browser settings, so check your PC for them. Maybe there's a reason slow work browser. I recommend using free utility. Remove any viruses found and reboot the OS.
Update Firefox
The old version of the browser uses a lot of system resources, which leads to slow performance. To update, click on the button to open the menu (three horizontal bars), then “Help” - “About Firefox”. Will start automatic check and downloading updates.
Safe mode
A little higher, we looked at how to disable extensions to normalize the browser. Is it possible not to do this manually? Load your browser into safe mode, no extensions, with default settings. To do this, click on the button with three horizontal bars, then “Help” - “Restart without add-ons”. The browser will reboot.
If it stops freezing, then the problem is with the installed extensions.
If all else fails
Reset Firefox. To do this, open “Help” - “Troubleshooting”. 
In the new tab, click the "Clear" button.
How to fix video playback problem
If online playback freezes, the reason is related to incorrect work Flash Player. Reinstall it by downloading the latest version from the official website at: https://get.adobe.com/ru/flashplayer/. Installation is simple and will not cause any difficulties even for novice users. Click the “Install” button and follow further instructions.
Conclusion
We looked at the main reasons why Firefox is slow. To prevent them from occurring, I recommend regularly cleaning your browser of debris. Use CCleaner utility. Don't install extensions that you don't use. This will significantly reduce the speed of operation. Use the recommendations described above, and Firefox will function quickly, without freezing.
A fairly common situation: you double-clicked the Mozilla Firefox shortcut on your desktop or opened this application from the taskbar, but are faced with the fact that the browser refuses to start.
Unfortunately, the problem when the Mozilla Firefox browser refuses to launch is quite common, and its occurrence can be influenced by a variety of reasons. Today we will look at the main causes, as well as ways to eliminate problems with launch of Mozilla Firefox.
Option 1: "Firefox is running and not responding"
One of the most common Firefox crash situations is when you try to launch the browser but instead get a message "Firefox is running and not responding" .
Usually, similar problem appears after a previous incorrect closing of the browser, when it continues to execute its processes, thus preventing a new session from starting.
First of all, we will need to end all Firefox processes. To do this, press the keyboard shortcut Ctrl+Shift+Esc , to open "Task Manager" .
In the window that opens, you will need to go to the tab "Processes" . Find the Firefox process (“firefox.exe”), right-click on it and in the displayed context menu select item "Cancel task" .
If you find other processes associated with Firefox, you will need to kill them as well.
After completing these steps, try launching your browser.
If Mozilla Firefox still won't start and still shows the error "Firefox is running and not responding", then in some cases this may indicate that you do not have the necessary access rights.
To check this, you will need to get into your profile folder. It is, of course, easier to do this using Firefox itself, but given that the browser does not start, we will use another method.
Press a combination of keys on your keyboard Win+R. The Run window will appear on the screen, in which you will need to enter the following command and press Enter:
%APPDATA%\Mozilla\Firefox\Profiles\
A folder with profiles will be displayed on the screen. Typically, if you have not created additional profiles, you will only see one folder in the window. If you use several profiles, then for each profile you will need to perform further actions individually.
Right-click on the Firefox profile and in the context menu that appears, go to "Properties" .
A window will appear on the screen in which you will need to go to the tab "Are common" . At the bottom of the window, make sure you have the option checked. "Only for reading" . If there is no checkmark (dot) next to this item, you must set it yourself and then save the settings.
Option 2: “Error reading configuration file”
If the message appears on the screen after you try to launch Firefox "Read error configuration file» , then this means that there is a problem with the Firefox files, and the easiest way to solve the problem is to reinstall Mozilla Firefox.
First of all, you will need to completely remove Firefox from your computer. We have already talked about how this task can be accomplished in one of our articles.
Open Windows Explorer and delete the following folders:
C:\Program Files\Mozilla Firefox
C:\Program Files (x86)\Mozilla Firefox
And only after you complete Firefox removal, you can start downloading the new version from the official website of the developer.
Option 3: “Error opening file for writing”
An error of this type is usually displayed in cases where you use account without administrator rights.
Accordingly, in order to solve the problem, you need to obtain administrator rights, but this can be done specifically for the application being launched.
Just right-click on the Firefox shortcut on your desktop and in the context menu that appears, click on "Run as administrator" .
A window will appear on the screen in which you will need to select an account that has administrator rights, and then enter its password.
Option 4: “Your Firefox profile could not be loaded. It may be damaged or inaccessible."
An error like this clearly hints to us that there are problems with the profile, for example, it is inaccessible or completely absent on the computer.
Typically, a similar problem occurs if you have renamed, moved, or even deleted the Firefox profile folder.
Based on this, you have several ways to solve the problem:
1. Move your profile to old place, if you have moved it before;
2. If you renamed the profile, then you need to give it the same name;
3. If you cannot use the first two methods, then you will need to create new profile. Please note that by creating a new profile, you will get a clean Firefox.
To start creating a new profile, open the “Run” window using the keyboard shortcut Win+R . In this window you will need to run the following command:
firefox.exe -P
The Firefox profile management window will appear on the screen. We will need to resort to creating a new profile, so click on the button "Create" .
Enter a name for the profile, and also, if necessary, in the same window, specify the location on the computer where the folder with the profile will be stored. Finish creating your profile.
The Firefox profile management window will reappear on the screen, in which you will need to highlight the new profile and then click on the button "Starting Firefox" .
Option 5: Error saying Firefox has crashed
A similar problem appears when you launch the browser. You may even see its window appear, but suddenly the application closes and a message indicating that Firefox has crashed is displayed on the screen.
IN in this case Firefox crashes can be caused by various factors: viruses, installed add-ons, themes, etc.
First of all, in this case you will need to scan using your antivirus or a special cleaning utility, for example, Dr.Web CureIt.
After performing the scan, be sure to restart your computer and then check the functionality of your browser.
If the problem persists, then you should try complete reinstallation browser, after completely removing the web browser from the computer.
After the uninstallation is complete, you can begin installing the latest version of the browser from the developer’s official website.
Option 6: "XULRunner Error"
If you see the “XULRunner Error” error on your screen when you try to launch Firefox, this may indicate that you have an outdated version of Firefox installed on your computer.
You will need to completely remove Firefox from your computer, which we have already talked about on our website.
After completely removing the browser from your computer, download new version web browser from the official website of the developer.
Option 7: Mozila does not open, but does not display an error
1) If the browser was working fine before, but at some point stopped starting, the most effective way To fix the problem is to perform a system restore.
This procedure will restore the system to the time when the browser was working correctly. The only thing is this procedure will leave – these are user files (documents, music, photos and videos).
To start the system rollback process, open the menu "Control Panel" , set the top right corner to view mode "Small Signs" and then open the section "Recovery" .
In the window that opens, select "Run System Restore" and wait a few moments.
Select a suitable rollback point to when Firefox was working fine. Please note that depending on changes made since then, system recovery may take several minutes or several hours.
2) If there are problems with working with Firefox may be affected by some antivirus products. Try pausing them and checking if Firefox is working.
If, according to the results of the scan, the cause was an antivirus or other security program, you will need to disable the function in it network scanning or other function related to browser or network access.
3) Try running Firefox in Safe Mode. To do this, press Shift key and click on the browser shortcut.
If the browser starts normally, then this indicates a conflict between the browser and installed extensions, themes, etc.
First, disable all browser add-ons. To do this, click on the right top corner click the menu button, and then in the window that appears, go to the section "Extras" .
In the left pane, go to the tab "Extensions" , and then disable all extensions. It would be useful if you completely delete them from the browser.
If you have installed third party themes for Firefox, try reverting to the default theme. To do this, go to the tab « Appearance» and make a theme "Standard" default theme.
And finally, try disabling hardware acceleration. To do this, open the browser menu and go to the section "Settings" .
In the left pane of the window, go to the tab "Additional" and then open the subtab "Are common" . Here you will need to uncheck the box “Use hardware acceleration whenever possible” .
After completing all the steps, open the browser menu and click on the icon in the lower area of the window "Exit" . Try launching your browser normally.
4) Reinstall your browser and create a new profile. How to accomplish this task has already been discussed above.
And a small conclusion. Today we looked at the main ways to fix problems starting the Mozilla Firefox browser. If you have your own method for fixing the problem, share it in the comments.
It is difficult to imagine a modern user who would not work with Internet browsers. These utilities help you go online and browse websites. Through them, files and other data are downloaded. The variety of Internet browsers is surprising. A utility called Mozilla Firefox is in great demand. This application is not immune to crashes and problems. Sometimes it turns out that Firefox does not start. What to do under such circumstances? What can lead to disruption of the Internet browser? How to make the browser work? We will try to answer all these questions further. As a rule, the browser refuses normal operation not critical for the operating system. Only information stored in the Internet browser may be affected.
No answer
Doesn't start? This problem is not that rare. It can cause a lot of problems for the user.
Sometimes it happens that the browser starts and does not respond. The application stops responding to user commands. What should I do?
Typically, this situation occurs if the Internet browser was completed incorrectly during the previous session. Or Firefox does not start and freezes due to an operating system failure.
- Press Ctrl + Alt + Del on your keyboard.
- Select the "Task Manager" line in the window that appears.
- Open the "Processes" tab.
- Select "Mozilla" and click on the "End process" button.
Access rights
Why won't Firefox launch? Causes similar phenomenon may be different. Therefore, we will consider only the most common scenarios.
Is Mozilla running and not responding? This situation is sometimes caused by a lack of access rights to applications.
Firefox won't start? Hangs in processes and does not respond? You can try to get access rights to the utility. To do this you will need:
- Press Win + R, or open Start and place the cursor in the search bar.
- Write the address in the line that appears. It is listed under the manual.
- Right-click on the folder with the profile name "Mozillas" and select the "Properties" section.
- Open the "General" block and uncheck the "Read-only" attribute.
- Save changes.
As soon as the adjustments take effect, you can launch the Internet browser. The problem with the work of Mozilla should disappear.
The address to go to the Firefox root folder looks like this:
%APPDATA%\Mozilla\Firefox\Profiles\.
Configuration errors
Firefox won't start? If, when you try to work with the application, a browser configuration error message appears on the screen, this means that the problem lies in the Mozilla files. Similar failures occur various reasons.
What to do? It is best to reinstall the application. Users typically act based on with the following instructions:
- Find using any Internet browser latest version"Mozilla" and download it to your computer.
- Go to “Start” - “Control Panel” - “Uninstall programs”.
- Select "Mozilla" in the menu that appears and click on the "Delete" operation.
- Follow the instructions of the "Uninstallation Wizard".
- Launch installation Firefox file.
- Complete the installation of the application by following the prompts on the monitor display.
Important: deleting old version Internet browser, it is better to give preference complete uninstallation. All saved tabs, passwords and addresses will have to be erased from the OS.
Errors reading files to write
Why won't Mozilla Firefox launch? There is no clear answer to such a question. The browser is an application that can stop working for many reasons.
Sometimes when you start the Internet browser, an error reading a file to write appears on the screen. This situation is not common. It involves using an account without administrator rights.
To get Mozilla working, you will either have to change your account or act like this:
- Right-click on the Firefox shortcut.
- Select the "Run as administrator" operation.
- Click "Ok" or "Run".
Now we just have to wait a little. After a few seconds, the Internet browser should start. From now on you can work with him. If the error repeats, you will have to use the above instructions.
Error loading profile
Firefox won't start? On the monitor display does the user see a message about an error loading the utility profile?
A similar problem occurs if the Internet browser account is damaged or completely missing in operating system. This occurs either as a result viral infection PC, or through user actions. Renaming folders and making adjustments to files in the corresponding ones results in a download error.
The situation can be corrected in different ways. Here are the most common tips that will help you cope with the task:
- Restore the profile to the Mozilla root folder.
- Return the profile to its original name if it has been changed.
- Create a new account. In this case, the user will receive a "clean" Firefox.
- Scan your computer for viruses and remove all malicious files.
If such manipulations do not help, the surest, fastest and most reliable solution is to reinstall the Internet browser. We have already talked about how to carry it out.
How to create a profile
A few words about how you can create a new account in Mozilla Firefox. Not every user knows about this technique.
To create a “clean” Mozilla profile you will need:
- Open command line and write Firefox.exe -P in it.
- Click on "Run" or Enter.
- Select the "Create..." command.
- Give the new profile a name.
- Select a location to save the data.
- Select the created account in the window that appears and click on “Launch Firefox”.
It is done. When you start Mozilla, a “clean” profile will be used. Nothing difficult or unclear! Even a novice PC user can cope with the task!
Browser crash
Mozilla Firefox won't start? As you can already see, users are faced with a variety of Internet browser errors. Depending on the message displayed on the screen, the further algorithm of actions will change.
Quite often, users see warnings about the fall of Mozilla. They are called "crashes". As a rule, in this case, the browser processes slow down, after which the utility stops responding to user actions. After a while, the browser closes and a “crash” message appears on the screen.
The error can be caused by anything - from a system failure to a virus infection of the PC. If problems appear immediately after installing Mozilla, you can suspect incorrect installation programs.
What to do? You can correct the situation if you find out the cause of the problems. Here are the most effective techniques for dealing with crashes:
- Reinstall Mozilla Firefox after performing complete removal programs.
- Scan your computer for viruses and spyware. To do this, you will need any antivirus (Kaspersky, Avast, NOD32 and others) and SpyHunter 4. If dangerous objects are detected, they must be disinfected or removed from the operating system.
As a rule, all of the above techniques allow you to quickly get your Internet browser working. The tips presented to your attention are suitable for all browsers.
Old version
Why won't Firefox launch? Another problem that PC users face is the XULRunner type error. Fortunately, it is becoming less and less common.
A message like this suggests using outdated version Internet browser. You can get Mozilla to work only by updating the corresponding utility.
Important: You should only download installation files from official page Mozilla Firefox. This technique will save you from many problems and failures in the future.
No messages
Does Firefox take a long time to start? This often happens when the processor is busy. Worth completing a few background programs as the computer starts to work faster. And the browser too.
Unfortunately, it increasingly happens that a user opens Firefox, but sees nothing in response - no error messages, no utility crashes, or any other system responses.
How to proceed? Can:
- Reinstall the browser, first removing it from the computer completely.
- Restore the system. To do this, you need to open "Start" - "All Programs" - "Accessories" - "System Tools" - "Recovery", and then follow the instructions on the screen.
- Disable antivirus and other OS protection tools.
- Launch Firefox in safe mode. To do this, press Shift and double-click on the browser shortcut.
That's all. Firefox won't start? We got acquainted with the most common mistakes and ways to solve them.
When the browser is activated, the console starts Firefox browser? You need to click on the cross in the corresponding window. To re-launch the console, just hold down Ctrl + Shift + I.
Now let's move on to the Mozilla Firefox browser. This browser one of the most functional and flexible. By changing the settings of the browser, you can adjust it to suit you, but to do this you need to know which parameter is responsible for what. At incorrect setting You run the risk of worsening the browser's performance, but by remembering the standard values, you can always normalize the browser's performance.
Clearing browser cache:
1. In the Firefox menu, open “Settings” (Figure 1).
Figure 1. FireFox menu
2. In the “Advanced” section, select the “Network” tab (Figure 2).
Figure 2. Advanced - Network
3. Click “Clear now” (Figure 3).
Figure 3. Clearing cache
Disable unnecessary functions(performed if necessary):
1. In the Firefox menu, open “Settings” (Figure 4).
Figure 4. FireFox menu
2. Select the “Privacy” tab (Figure 5).
Figure 5. Privacy
3. Uncheck the box “Remember download history” (Figure 6).
Figure 6. Privacy settings
4. Go to the “Advanced” tab, “General” tab (Figure 7).
Figure 7. Additional - General
5. Check the box next to “Search text on the page as you type” and uncheck the box “Use smooth scrolling", "Check spelling when typing", "Always check at startup if Firefox is the default browser" and click "OK" (Figure 8).
Figure 8. General settings
Disable unnecessary additions and return the appearance to the standard value:
1. In the Firefox menu, open “Add-ons” (Figure 9).
Figure 9. FireFox menu
2. In the “Extensions” section, opposite unnecessary extensions, click the “Disable” button (Figure 10).
Figure 10. Extensions
3. In the “Plugins” section, opposite unnecessary plugins, click the “Disable” button (Figure 11).
Figure 11. Plugins
4. In the “Appearance” section, find a theme called “Default” and opposite it click “Enable” (Figure 12).
Figure 12. Appearance
Most simple steps We have done. Now you can perform more complex, but more effective actions. True, if performed incorrectly, this can lead to unfavorable results, so be careful and, just in case, write down the standard values of the edited parameters. So let's get started:
1. B address bar browser, enter “about:config” (be sure to enter it manually when copying required page will not open) (Figure 13).
Figure 13. Address bar
2. Read the warning and, if you agree, click “I promise I’ll be careful!” (Figure 14).
Figure 14. Caution
3. Find the “network.http.pipelining” parameter in the list (indicating this name in the “Filter” line) and set (by double-clicking on the line of this parameter with the left mouse button) the value “true” (Figure 15).
Figure 15. network.http.pipelining
4. Next we find the “network.http.proxy.pipelining” parameter, which we also change the value to “true” (Figure 16).
Figure 16. network.http.proxy.pipelining
5. We do almost exactly the same thing with the “network.http.pipelining.maxrequests” parameter, only we assign it the value “32” (Figure 17).
Figure 17. network.http.pipelining.maxrequests
6. Right-click and select “Create”, “Integral” from the drop-down list (Figure 18).
Figure 18. Creating a parameter with an integer value
7. Enter the name “nglayout.initialpaint.delay” (Figure 19).
Figure 19. nglayout.initialpaint.delay
8. Enter the value “0” (Figure 20).
Figure 20. Entering a value
Figure 21. network.dns.disableIPv6
10. Next, give the “content.notify.backoffcount” parameter (if it doesn’t exist, then create it in the same way as we did earlier) the value “5” (Figure 22).
Figure 22. content.notify.backoffcount
11. We do the same with the value “ui.submenuDelay” (if it doesn’t exist, then create it), only we assign it “0” (Figure 23).
Figure 23. ui.submenuDelay
12. And finally, the “plugin.expose_full_path” parameter (if it doesn’t exist, then create it, right button mouse - Create - Boolean) give the value “true” (Figure 24).
Figure 24. plugin.expose_full_path
13. Close the settings page and restart the browser.
Thus, we will speed up the loading of Internet pages in Mozilla browser Firefox.
It is difficult to imagine a modern user who would not work with Internet browsers. These utilities help you go online and browse websites. Through them, files and other data are downloaded. The variety of Internet browsers is surprising. A utility called Mozilla Firefox is in great demand. This application is not immune to crashes and problems. Sometimes it turns out that Firefox does not start. What to do under such circumstances? What can lead to disruption of the Internet browser? How to make the browser work? We will try to answer all these questions further. As a rule, a browser failure to function normally is not critical for the operating system. Only information stored in the Internet browser may be affected.
No answer
Mozilla Firefox won't start? This problem is not that rare. It can cause a lot of problems for the user.
Sometimes it happens that the browser starts and does not respond. The application stops responding to user commands. What should I do?
Typically, this situation occurs if the Internet browser was completed incorrectly during the previous session. Or Firefox does not start and freezes due to an operating system failure.
Access rights
Why won't Firefox launch? The reasons for this phenomenon may be different. Therefore, we will consider only the most common scenarios.
Is Mozilla running and not responding? This situation is sometimes caused by a lack of access rights to applications.
Firefox won't start? Hangs in processes and does not respond? You can try to get access rights to the utility. To do this you will need:
As soon as the adjustments take effect, you can launch the Internet browser. The problem with the work of Mozilla should disappear.
The address to go to the Firefox root folder looks like this:
%APPDATA%MozillaFirefoxProfiles.
Configuration errors
Firefox won't start? If, when you try to work with the application, a browser configuration error message appears on the screen, this means that the problem lies in the Mozilla files. Such failures occur for various reasons.
What to do? It is best to reinstall the application. Typically, users act according to the following instructions:
Important: when deleting an old version of the Internet browser, it is better to give preference to complete uninstallation. All saved tabs, passwords and addresses will have to be erased from the OS.
Errors reading files to write
Why won't Mozilla Firefox launch? There is no clear answer to such a question. The browser is an application that can stop working for many reasons.
Sometimes when you start the Internet browser, an error reading a file to write appears on the screen. This situation is not common. It involves using an account without administrator rights.
To get Mozilla working, you will either have to change your account or act like this:
Now we just have to wait a little. After a few seconds, the Internet browser should start. From now on you can work with him. If the error repeats, you will have to use the above instructions.
Error loading profile
Firefox won't start? On the monitor display does the user see a message about an error loading the utility profile?
A similar problem occurs if the Internet browser account is damaged or completely missing from the operating system. This occurs either due to a virus infection of the PC, or through user actions. Renaming folders Firefox profile and making adjustments to the files in the appropriate way results in a loading error.
The situation can be corrected in different ways. Here are the most common tips that will help you cope with the task:
If such manipulations do not help, the surest, fastest and most reliable solution is to reinstall the Internet browser. We have already talked about how to carry it out.
How to create a profile
A few words about how you can create a new account in Mozilla Firefox. Not every user knows about this technique.
To create a “clean” Mozilla profile you will need:
It is done. When you launch Mozilla, a “clean” profile will be used. Nothing difficult or unclear! Even a novice PC user can cope with the task!
Browser crash
Mozilla Firefox won't start? As you can already see, users are faced with a variety of Internet browser errors. Depending on the message displayed on the screen, the further algorithm of actions will change.
Quite often, users see warnings about the fall of Mozilla. They are called "crashes". As a rule, in this case, the browser processes slow down, after which the utility stops responding to user actions. After a while, the browser closes and a “crash” message appears on the screen.
The error can be caused by anything - from a system failure to a virus infection of the PC. If problems occur immediately after installing Mozilla, you may suspect that the program was installed incorrectly.
What to do? You can correct the situation if you find out the cause of the problems. Here are the most effective techniques for dealing with crashes:
As a rule, all of the above techniques allow you to quickly get your Internet browser working. The tips presented to your attention are suitable for all browsers.
Old version
Why won't Firefox launch? Another problem faced by PC users is the XULRunner type error. Fortunately, it is becoming less and less common.
A message like this indicates that you are using an outdated version of the Internet browser. You can get Mozilla to work only by updating the corresponding utility.
Important: you need to download installation files only from the official Mozilla pages Firefox. This technique will save you from many problems and failures in the future.
No messages
Does Firefox take a long time to start? This often happens when the processor is busy. Once you shut down a few background programs, your computer will start working faster. And the browser too.
Unfortunately, it increasingly happens that a user opens Firefox, but sees nothing in response - no error messages, no utility crashes, or any other system responses.
How to proceed? Can:
That's all. Firefox won't start? We got acquainted with the most common mistakes and ways to solve them.
Does the Firefox browser console launch when you activate your browser? You need to click on the cross in the corresponding window. To re-launch the console, just hold down Ctrl + Shift + I.