When opening, error msg shows "Platform version '50' is not compatible with minversion =5.0.1 Maxversion 5.0.1 , How Fix?

Have Windows Vista Business

Firefox crashes when you open it
https://support.mozilla.com/en-US/kb/Firefox%20crashes%20when%20you%20open%20it
Check and tell if its working.

Similar Messages

  • Firefox was working but now it will not start. I get the following error: XLURunner error: Platform version '5.0' not compatible with minVersion =2.0.1 maxVersion = 2.0.1

    I am using Windows XP with Service pack 3

    * http://kb.mozillazine.org/Browser_will_not_start_up#XULRunner_error_after_an_update
    Download a fresh Firefox copy and save the file to the desktop.
    * Firefox 5.0.x: http://www.mozilla.com/en-US/firefox/all.html
    * Uninstall your current Firefox version.
    * Do not remove personal data when you uninstall the current version.
    Remove the Firefox program folder before installing that newly downloaded copy of the Firefox installer.
    * It is important to delete the Firefox program folder to remove all the files and make sure that there are no problems with files that were leftover after uninstalling.
    Your bookmarks and other profile data are stored elsewhere in the [http://kb.mozillazine.org/Profile_folder_-_Firefox Firefox Profile Folder] and won't be affected by a reinstall, but make sure that you do not select to remove personal data if you uninstall Firefox.

  • I cannot open firefox anymore...I recieve the following error message....Error platform version '8.0'is not compatible with minversion = 7.0.1 maxversion = 7.0.1 How do I fix this?

    cannot use firefox

    The updater wasn't able to update all the files and some were left as older versions.<br />
    Do a clean reinstall.
    Download a fresh Firefox copy and save the file to the desktop.
    * Firefox 5.0.x: http://www.mozilla.com/en-US/firefox/all.html
    * Uninstall your current Firefox version.
    * Do not remove personal data when you uninstall the current version.
    Remove the Firefox program folder before installing that newly downloaded copy of the Firefox installer.
    * It is important to delete the Firefox program folder to remove all the files and make sure that there are no problems with files that were leftover after uninstalling.
    Your bookmarks and other profile data are stored elsewhere in the Firefox Profile Folder and won't be affected by a reinstall, but make sure that you do not select to remove personal data if you uninstall Firefox.
    * http://kb.mozillazine.org/Profile_folder_-_Firefox
    * http://kb.mozillazine.org/Profile_backup

  • Cannot open Firefox due to this message: Error: Platform version "6.0.2" is not compatible with minVersion =6.0.1 maxVersion =6.0.1

    I cannot open Mozilla Firefox. Instead, a XULRunner dialog box appears with the message: Error: Platform version "6.0.2" is not compatible with minVersion >=6.0.1 maxVersion<=6.0.1 edit
    Can you please tell me how to solve this problem? I have been running Mozilla Firefox on my Dell laptop with Windows 7 os.
    Thanks

    If you use ZoneAlarm Extreme Security then try to disable Virtualization.
    Do a clean reinstall and delete the Firefox program folder.
    * http://kb.mozillazine.org/Browser_will_not_start_up#XULRunner_error_after_an_update
    *[[/questions/869812]]
    *[[/questions/869951]]

  • I had downloaded and installed one of those automatic Windows update and now whenever I try to open my Firefox I get an error message, "Platform version 6.0.2 is not compatible with minVersion 6.0.1 maxVersion 6.0.1

    I had downloaded and installed one of those automatic Windows update and now whenever I try to open my Firefox I get an error message, "Platform version 6.0.2 is not compatible with minVersion >6.0.1 maxVersion <6.0.1

    If you use ZoneAlarm Extreme Security then try to disable Virtualization.
    Do a clean reinstall and delete the Firefox program folder.
    * http://kb.mozillazine.org/Browser_will_not_start_up#XULRunner_error_after_an_update
    *[[/questions/869812]]
    *[[/questions/869951]]

  • Downloaded Firefox 6.0.2 and when launching get XUL Runner "Error: Platform version 6.0 is not compatible with minVersion =6.0.2 maxVersion =6.0.2

    After downloading Firefox version 6.0.2 launching get XUL Runner "Error: Platform version 6.0 is not compatible with minVersion>=6.0.2 maxVersion<=6.0.2

    If using Zone Alarm's browser virtualization or any other similar product or a sand-boxing program (i.e., Sandboxie), turn it off when updating Firefox or Firefox Add-ons. You can post on the forum for any such product that you might be using to get other instructions on the proper use of the product.
    The updater wasn't able to update all the files and some were left as older versions. Do a clean reinstall. See: [http://kb.mozillazine.org/Browser_will_not_start_up#XULRunner_error_after_an_update Browser will not start up - XUL Runner error after an update]
    #Download a fresh Firefox copy and save the file to the desktop.
    #*Firefox 6.0.x: http://www.mozilla.com/en-US/firefox/all.html
    #Uninstall your current Firefox version.
    #*'''''Do not remove personal data when you uninstall the current version'''''
    #*Your bookmarks and other profile data are stored elsewhere in the Firefox Profile Folder and won't be affected by a reinstall, but make sure that you do not select to remove personal data if you uninstall Firefox.
    #*See [http://support.mozilla.com/en-US/kb/uninstalling+Firefox Uninstalling Firefox] '''''and''''' [http://kb.mozillazine.org/Uninstalling_firefox Uninstalling Firefox (Mozillazine)]
    #*Also see: [http://support.mozilla.com/en-US/kb/Backing+up+your+information Backing up your information] '''''and''''' [http://kb.mozillazine.org/Profile_backup Profile backup (Mozillazine)]
    #Remove the Firefox program folder before installing that newly downloaded copy of the Firefox installer.
    #*It is important to delete the Firefox program folder/directory to remove all the files and make sure that there are no problems with files that were leftover after uninstalling.
    #*See: http://kb.mozillazine.org/Installation_directory
    #Install the fresh copy of Firefox that you downloaded in step 1

  • Can't open re-installed Firefox - get this message: Error: platform version5.0 is not compatible with minVersion = 6.0 maxVersion = 6.0

    Had to uninstall Firefox as it stopped working. The went to website and downloaded Firefox once more. Pressed the .exe and the file went through the installation okay, but when I tried to open Firefox I get:
    Error: platform version5.0 is not compatible with
    minVersion > = 6.0
    maxVersion < = 6.0
    The only option i have is to press OK and nothing else happens.
    Can you offer any help - it is beyond me and I am missing Firfox and have lost all my bookmarks.

    The updater wasn't able to update all the files and some were left as older versions.<br />
    Do a clean reinstall.
    Download a fresh Firefox copy and save the file to the desktop.
    * Firefox 6.0.x: http://www.mozilla.com/en-US/firefox/all.html
    * Uninstall your current Firefox version.
    * Do not remove personal data when you uninstall the current version.
    Remove the Firefox program folder before installing that newly downloaded copy of the Firefox installer.
    * It is important to delete the Firefox program folder to remove all the files and make sure that there are no problems with files that were leftover after uninstalling.
    Your bookmarks and other profile data are stored elsewhere in the Firefox Profile Folder and won't be affected by a reinstall, but make sure that you do not select to remove personal data if you uninstall Firefox.

  • Downloaded firefox 5.0.1 last night, worked fine, Turned computer on today, Mozilla Firefox, it won't start. Get error message, Error: Platform version '5.0' is not compatible with minVersion =5.0.1 maxVersion =5.0.1" What do I need to do to fix it?

    We downloaded firefox 5.0.1 last night, began working with it. It did fine. After about an hour, I turned off my computer. When I turned on my computer, I click on Mozilla Firefox and it won't start. I get this error message, " Error: Platform version '5.0' is not compatible with minVersion >=5.0.1 maxVersion <=5.0.1" from XUL Runner. What do I need to do to fix it?

    The updater wasn't able to update all the files and some were left as older versions.<br />
    Do a clean reinstall.
    Download a fresh Firefox copy and save the file to the desktop.
    * Firefox 5.0.x: http://www.mozilla.com/en-US/firefox/all.html
    * Uninstall your current Firefox version.
    * Do not remove personal data when you uninstall the current version.
    Remove the Firefox program folder before installing that newly downloaded copy of the Firefox installer.
    * It is important to delete the Firefox program folder to remove all the files and make sure that there are no problems with files that were leftover after uninstalling.
    Your bookmarks and other profile data are stored elsewhere in the Firefox Profile Folder and won't be affected by a reinstall, but make sure that you do not select to remove personal data if you uninstall Firefox.
    * http://kb.mozillazine.org/Profile_folder_-_Firefox
    * http://kb.mozillazine.org/Profile_backup

  • Error: Platform version 6.0 is not compatible with minVersion = 6.0.2 maxVersion = 6.0.2 so what do I do? Using Win 7

    Error: Platform version 6.0 is not compatible with minVersion >= 6.0.2 maxVersion <= 6.0.2 so what do I do? Using Win 7 Home Premium

    If you use ZoneAlarm Extreme Security then try to disable Virtualization and do a clean reinstall.
    * http://kb.mozillazine.org/Browser_will_not_start_up#XULRunner_error_after_an_update
    *[[/questions/869812]]
    *[[/questions/869951]]

  • After last automatic update, error message XUL Runner error platform version '6.0.2' is not compatible with minVersion 6.0.1. maxVersion 6.0.1. I am unable to open Mozilla Firefox at all. Had to use Explorer to ask this question!

    After last automatic update, error message XUL Runner error platform version 6.0.2. is not compatible with min Version 6.0.1 maxVersion 6.0.1 appeared every time I try to open/run Mozilla Firefox.

    See:
    *[[/questions/869812]]
    *[[/questions/869951]]

  • I updated firefox to 6.0.1 today now it will not open just ...XUL Runner..Error: Platform version '6.0' is not compatible with minVersion =6.0.1 maxVersion =6.0.1 Help please!!

    They is no info this all is it shows on screen

    Are you using ZoneAlarm (Extreme)?<br />
    If you have then try to disable that and do a clean reinstall of Firefox.
    The updater wasn't able to update all the files and some were left as older versions.
    Download a fresh Firefox copy and save the file to the desktop.
    * Firefox 6.0.x: http://www.mozilla.com/en-US/firefox/all.html
    * Uninstall your current Firefox version.
    * Do not remove personal data when you uninstall the current version.
    Remove the Firefox program folder before installing that newly downloaded copy of the Firefox installer.
    * It is important to delete the Firefox program folder to remove all the files and make sure that there are no problems with files that were leftover after uninstalling.
    Your bookmarks and other profile data are stored elsewhere in the Firefox Profile Folder and won't be affected by a reinstall, but make sure that you do not select to remove personal data if you uninstall Firefox.
    * http://kb.mozillazine.org/Profile_folder_-_Firefox
    * http://kb.mozillazine.org/Profile_backup

  • After loading the 5.0 update Firefox has this error message - Error: Platform version '2.0.1' is not compatible with minVersion =5.0.1.maxVersion =5.0.1. Firefox won't open now.

    I should have added, this popup relates to XULRunner. I suppose this is a support file that needs to run for firefox to open and run properly.

    That can happen if the updater wasn't able to update (replace) all the files in the Firefox program folder (C:\Program Files\Mozilla Firefox\).
    Download a fresh Firefox copy and save the file to the desktop.
    * Firefox 5.0.x: http://www.mozilla.com/en-US/firefox/all.html
    * Uninstall your current Firefox version.
    * Do not remove personal data when you uninstall the current version.
    Remove the Firefox program folder before installing that newly downloaded copy of the Firefox installer.
    * It is important to delete the Firefox program folder to remove all the files and make sure that there are no problems with files that were leftover after uninstalling.
    Your bookmarks and other profile data are stored elsewhere in the [http://kb.mozillazine.org/Profile_folder_-_Firefox Firefox Profile Folder] and won't be affected by a reinstall, but make sure that you do not select to remove personal data if you uninstall Firefox.

  • I've upgraded to 6.0.1 and now firefox no longer loades AT ALL. I get this XULRunner error: Platform version "5.0" not compatable with minVersion = 6.0.1 and maxVersion = 6.0.1. What can I do to get Firefox working again as my browser?

    After deleting everything, I've also tried to reload 3.6.12 fresh and I get a totally different nss3.dll entry point cannot be found error.

    Download a fresh Firefox copy and save the file to the desktop.
    * Firefox 6.0.x: http://www.mozilla.com/en-US/firefox/all.html
    * Uninstall your current Firefox version.
    * Do not remove personal data when you uninstall the current version.
    Remove the Firefox program folder before installing that newly downloaded copy of the Firefox installer.
    * It is important to delete the Firefox program folder to remove all the files and make sure that there are no problems with files that were leftover after uninstalling.
    Your bookmarks and other profile data are stored elsewhere in the Firefox Profile Folder and won't be affected by a reinstall, but make sure that you do not select to remove personal data if you uninstall Firefox.
    * http://kb.mozillazine.org/Profile_folder_-_Firefox
    * http://kb.mozillazine.org/Profile_backup

  • Whenever I try to open Firefox the following window pops up: XUL Runner/ Error/ Platfor Version "5.0" is not compatible with/ minVersion =5.0.1/ maxVersion =5.0.1/ OK(button) What do I do to get Firefox to work again?

    I have been using Firefox for quite some time (years). It tried to upgrade Firefox and since then have not been able to get it to open, each time it comes up with that popup window, with my only option being to click on the OK button, which terminates the operation.

    The updater wasn't able to update all the files and some were left as older versions.<br />
    Do a clean reinstall.
    Download a fresh Firefox copy and save the file to the desktop.
    * Firefox 5.0.x: http://www.mozilla.com/en-US/firefox/all.html
    * Uninstall your current Firefox version.
    * Do not remove personal data when you uninstall the current version.
    Remove the Firefox program folder before installing that newly downloaded copy of the Firefox installer.
    * It is important to delete the Firefox program folder to remove all the files and make sure that there are no problems with files that were leftover after uninstalling.
    Your bookmarks and other profile data are stored elsewhere in the Firefox Profile Folder and won't be affected by a reinstall, but make sure that you do not select to remove personal data if you uninstall Firefox.
    * http://kb.mozillazine.org/Profile_folder_-_Firefox
    * http://kb.mozillazine.org/Profile_backup

  • When I try to open Thunderbird I get this message: Platform version '31.3.0' is not compatible with minVersion =31.4.0 maxVersion =31.4.0. What can I do?

    I tried some of the instructions for opening in Safe Mode but to no avail.

    my first suggestion would be to reinstall. No uninstall, just run the installer again to replace any corrupted files (it sound like something may well be corrupted.)

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