I get the error: Platform version '1.9.2.6' is not compatible with minVersion =1.9.2.8. How do I make it compatible?

I get an error message. Error: Platform version '1.9.2.6' is not compatible with minVersion>= 1.9.2.8 maxVersion

You did delete the "C:\Program Files\Mozilla Firefox\" directory?
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.
See also http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Clean_reinstall
You can skip the step to create a new profile, that is not necessary for this issue.

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Hi I am getting the following error message henc unable to start firfox at all: error message box as follows XULRunner Error: Platform version 1.9.2.4 is not compatibale with minVersion =1.9.2.6 maxVersion

Error: Platform version 1.9.2.4 is not compatibale with minVersion >=1.9.2.6 maxVersion =1.9.2.6 maxVersion

Eric, this can happen after a failed update that partially changed your Firefox install directory.
Try a clean reinstall:
1. Download the Firefox installer from [http://mozilla.com Mozilla.com] and save it to your desktop or other location.
2. Make sure that Firefox is closed completely
3. Delete the Firefox installation directory (On Windows, this is typically the C:\Program Files\Mozilla Firefox folder that contains "firefox.exe" and other Firefox program files and folders).
4. Reinstall Firefox by running the installer you downloaded previously.
Your personal settings, including bookmarks and history, will not be lost.
See http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Clean_reinstall

I am getting an error message Error platform version 1.9.2.8 is not compatable with minVersion = 1.9.2.10 max Version =1.9.2.10 and on your update screen there is no where to say download

i can not get firefox to load. I am getting an error message.

Do a clean reinstall and download a fresh Firefox copy from http://www.mozilla.com/firefox/all.html and save the file to the desktop.
Uninstall your current Firefox version and remove the Firefox program folder before installing that copy of the Firefox installer. Don't remove personal data when uninstalling.
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.
You can skip the step to create a new profile, that is not necessary for this issue.
See http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Clean_reinstall

I downloaded a Firefox notice and now I get Error:Platform version 1.9.2.3 is not compatible with MinVersion =1.9.2.4 MaxVersion

I downloaded a Firefox notice and now I get Error:Platform version 1.9.2.3 is not compatible with MinVersion>=1.9.2.4 MaxVersion

Do a clean reinstall and download a fresh Firefox copy from http://www.mozilla.com/firefox/all.html and save the file to the desktop.
Uninstall your current Firefox version and remove the Firefox program folder before installing that 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.
You can skip the step to create a new profile, that is not necessary for this issue.
See http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Clean_reinstall

I installed 3.6.12 and now get error message that says - Error: Platform version 1.9.2.12 is not compatible with miniversion = 1.9.2.10 maxversion = 1.9.2.19 and it won't launch unless outside of sandbox. I cannot navigate to yahoo. Please help.

I down loaded latest version and get error message when I launch it. Error message is entitled XUL Runner and says - Error: Platform version 1.9.2.12 is not compatible with miniversion >= 1.9.2.10 maxversion <= 1.9.2.19 and it won't launch. I can launch if I use Run Outside of Sandbox option, but I cannot navigate my home page on yahoo. What happened? Please send fix. Thanks, [email protected]

Do a clean (re)install:
* Download a fresh Firefox copy from http://www.mozilla.com/firefox/all.html and save the file to the desktop.
* Uninstall your current Firefox version and remove the Firefox program folder before installing that copy of the Firefox installer.
* Don't remove personal data when uninstalling.
* 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 (not in the Firefox program 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.

After the most recent FF update, FF 3.6.6 will not load, citing the error message: "XULRunner / Error: Platform version '1.9.2.3' is not compatible with minVersion =1.9.2.6 / maxVersion". Tried updating XULRunner with no luck. Downloaded fresh copy and

After the most recent FF update, FF 3.6.6 will not load, citing the error message: "XULRunner / Error: Platform version '1.9.2.3' is not compatible with minVersion>=1.9.2.6 / maxVersion". Tried updating XULRunner with no luck. Downloaded fresh copy and installed. Still no luck.
== This happened ==
Every time Firefox opened
== FF updated to 3.6.6 ==
== User Agent ==
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; GTB6.4; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)

Do a clean reinstall and download a fresh Firefox copy from http://www.mozilla.com/firefox/all.html and save the file to the desktop.
Uninstall your current Firefox version and remove the Firefox program folder before installing that 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.
You can skip the step to create a new profile, that is not necessary for this issue.
See http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Clean_reinstall

Firefox will not open after new update; Error: Platform version '1.9.2.13' is not compatible

After accepting the new update I got this error message when trying to restart Firefox:
XULRunner
Error: Platform version ‘1.9.2.13’ is not compatible with
minVersion >= 1.9.2.14
maxVersion <= 1.9.2.14
I have tried:
- Opening in Safe Mode; same error
- Uninstalling, deleting remaining info in C>ProgramFiles>MozillaFirefox folder, and reinstalling.
- Updating Avast antivirus in case that was interfering.
Now when I try to start Firefox I get this message;
Firefox is already running, but is not responding. To open a new window, you must first close the existing Firefox process, or restart your system.
But there is nothing happening in the Windows Task Manager. Please, somebody save me from Windows Internet Explorer!!

I experienced this error updating from Firefox 3.6.13 to 3.6.14 and resolved it by doing a 'clean' install' as described. It occurred again in updating from 3.6.14 to 3.6.15 and this time a clean install failed to rectify it. (Anyway, I don't want to have to go through this every time.)
Work-around: Shut down Firefox. Edit application.ini (typically "C:\Program Files\Mozilla Firefox\application.ini")
[Gecko]
MinVersion=1.9.2.15
Change to 1.9.2.13
Save. Start Firefox. Dirty? Yes. Works? Yes.
(Gecko is the forerunner or XULrunner)

Firefox posted a message that it will update and start, but after finishung updating refused to start showing a mesage that " error:Platform version '1.9.2.13' is not compatible with vrersion minVersion =1.9.2.15 maxVerdsion =1.9.2.15"?

Not much to add.
On popup window was a labbel "XUL runner", and then :" error:Platform version '1.9.2.13' is not compatible with vrersion minVersion>=1.9.2.15
maxVersion>=1.9.2.15".
Just few details.
I have Firefox instaled on D: disc because my system crashed and after reinstaling OS on C: disc i haven't insatled it but just just used old one just moved to D: disc.
So my only problem is that I wont to get a hold of unbackuped bookmarks in that Firefox, and then one can instal Firefox4.

I experienced this error updating from Firefox 3.6.13 to 3.6.14 and resolved it by doing a 'clean' install' as described. It occurred again in updating from 3.6.14 to 3.6.15 and this time a clean install failed to rectify it. (Anyway, I don't want to have to go through this every time.)
Work-around: Shut down Firefox. Edit application.ini (typically "C:\Program Files\Mozilla Firefox\application.ini")
[Gecko]
MinVersion=1.9.2.15
Change to 1.9.2.13
Save. Start Firefox. Dirty? Yes. Works? Yes.
(Gecko is the forerunner or XULrunner)

Error :Platform version 1.9.2.4 is not compatible w/minVersion =1.9.2.6 maxVersion

getting error platform version 1.9.2.4 is not compatible w/ minVersion>=1.9.2.6 maxVersion

Try a clean reinstall:
1. Download the Firefox installer from [http://mozilla.com Mozilla.com] and save it to your desktop or other location.
2. Make sure that Firefox is closed completely
3. Delete the Firefox installation directory (On Windows, this is typically the C:\Program Files\Mozilla Firefox folder that contains "firefox.exe" and other Firefox program files and folders).
4. Reinstall Firefox by running the installer you downloaded previously.
Your personal settings, including bookmarks and history, will not be lost.
See http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Clean_reinstall

Won't restart after updating - it say's XULRunner Error: Platform version '1.9.2.3' is not compatible with Minversion = 1.9.2.11 Maxversion = 1.9.2.11

Updated from Firefox version 3.5.7 and it won't run. I get this error - it say's XULRunner Error: Platform version '1.9.2.3' is not compatible with Minversion>= 1.9.2.11 Maxversion>= 1.9.2.11

See my post here: [/questions/759671]

Error:Platform version '1.9.1,11'is not compatible with mini or max Version 1.9.1.15

Here is the entire error message:
XULRUNNER
Error:Platform version '1.9.1,11'is not compatible with
mini version>=1.9.1.15
maxVersion<=1.9 1.15
This error occurs when i try to launch Mozilla FireFox

# Delete the files and folders in the Firefox installation directory, default location C:\Program Files\Mozilla Firefox\
# Download a new copy of Firefox from http://www.mozilla.com and install it
Deleting the installation directory does not remove bookmarks, passwords etc, they are stored elsewhere in the profile folder. When you re-install Firefox it will use the existing user data.

FireFox 3.6.15 will not start it is NOT compatable with Avast 6.0.1000 sandbox, it gives the following error when I try to open in sandbox: XULRunner Error: Platform version '1.9.2.15' is not compatible with minVersion =1.9.2.14 maxVersion = 1.9.2.14

Before FireFox was updated to ver 3.6.15, FF would open in Avast sandbox with no issue. Since the update to FF I can only open FF outside of Avast sandbox. Avast version 6.0.1000
I turned off all Add-ons and still No Joy!
Windows 7 Pro 64 bit; I7-950 CPU, fresh reboot does not fix this issue.
Just populated : Troubleshooting Information

I had already tried a reinstall before, but thanks for the suggestion. Starting FF in Safe mode did not help either.
XULRunner is specific to FF. Mostly found discussion about using the code in web pages when I used Google before posting.
When FF went from version 3.6.14 to version 3.6.15 this issue started. Please note the Error message and the version info I just mentioned.
'''"Platform version '1.9.2.15' is not compatible with minVersion > =1.9.2.14 maxVersion < = 1.9.2.14"'''
'''The Platform was revved up from 1.9.2.14 to1.9.2.15'''
I could not find information on: minVersion or maxVersion much less how to change them in XULRunner.
'''''It is definitely a Mozilla FF issue'''''.
Avast sandbox is up to date and works just fine with everything else. More importantly it worked just before the update was installed.
The only reason I bothered with the update is because Mozilla touted it as a security issue and there was NO mention of any known issues with sandbox software.

Cannot open. Message on screen XUL error: platform version '1.9.2.17' is not compatible

Cannot connect to the internet. Error message XUL as follows--
Platform version '1.9.2.17' is not compatible with
minversion >=1.9.2.18
maxversion <=1.9.2.18
Pressing "OK" does not close the box or lead to any help.

See:
* http://kb.mozillazine.org/Browser_will_not_start_up#XULRunner_error_after_an_update
The updater wasn't able to update all the files and some were left as older versions.<br />
You need to 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 [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.

Firefox does not start in MacOS in 10.6.7. For some reason I cannot create a new profile as recommended (error message Error: Platform version '1.9.2.16' is not compatible with minVersion = 1.9.2.17 maxVersion = 1.9.2.17) further help only for windows

tried to create new profile using Terminal but error message. cannot open in safe mode, instructions are only for windows All my bookmarks are in firefox

I had already tried a reinstall before, but thanks for the suggestion. Starting FF in Safe mode did not help either.
XULRunner is specific to FF. Mostly found discussion about using the code in web pages when I used Google before posting.
When FF went from version 3.6.14 to version 3.6.15 this issue started. Please note the Error message and the version info I just mentioned.
'''"Platform version '1.9.2.15' is not compatible with minVersion > =1.9.2.14 maxVersion < = 1.9.2.14"'''
'''The Platform was revved up from 1.9.2.14 to1.9.2.15'''
I could not find information on: minVersion or maxVersion much less how to change them in XULRunner.
'''''It is definitely a Mozilla FF issue'''''.
Avast sandbox is up to date and works just fine with everything else. More importantly it worked just before the update was installed.
The only reason I bothered with the update is because Mozilla touted it as a security issue and there was NO mention of any known issues with sandbox software.

Firefox won't open get erroe message Platform version '1.9.2.4' is not compatible with MaxVersion =1.9.2.6

When i try to open firefox won't open and get error message XULRunner.Error.Platfor version '1.9.2.4' is not compatible with MaxVersion
miniVersion >=1.9.2.6
miniVersion

Same issue. Are you running the most recent Zone Alarm? Thats when it started for me.

I get the error: Platform version '1.9.2.6' is not compatible with minVersion =1.9.2.8. How do I make it compatible?

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