Fix: XULRunner Error Platform Version is not Compatible
- Blog
- September 22, 2022
If you’re seeing the error “XULRunner Error: Platform Version is not Compatible” when trying to run Firefox, it’s because you’re using an old version of XULRunner. XULRunner is a Mozilla runtime package that can be used to run various Mozilla-based applications, including Firefox. The error is caused by using an old version of XULRunner with a newer version of Firefox. To fix the problem, you need to update XULRunner to the latest version.
Table of Contents
Fix: XULRunner Error Platform Version is not Compatible
What is the XULRunner Error?
The XULRunner Error is a problem that occurs when the version of XULRunner that your computer is using is not compatible with the version of Firefox that you have installed. This can happen if you have installed a new version of Firefox without first updating XULRunner, or if you have installed an older version of XULRunner without first uninstalling the newer version.
If you see this error, it means that your computer is trying to use an incompatible version of XULRunner. You will need to either update XULRunner to the correct version, or uninstall the newer version of XULRunner and reinstall the older version.
How to fix the XULRunner Error?
The “XULRunner Error: Platform Version is not Compatible” is a common error that can occur when trying to run certain applications on a computer. This error is typically caused by the application not being able to find the correct version of the XULRunner library, or by the library being corrupt.
There are a few different ways to fix this error, depending on the cause. If the error is caused by the application not being able to find the correct version of the XULRunner library, then the best course of action is to install the correct version of the library. This can usually be done through the application’s website or through a package manager such as apt-get.
If the error is caused by the XULRunner library being corrupt, then the best course of action is to reinstall the library. This can be done through the application’s website or through a package manager such as apt-get. In some cases, it may also be necessary to delete the XULRunner cache directory, which is located at ~/.xulrunner.
What to do if the XULRunner Error persists?
If you continue to see the XULRunner error after following the steps in the previous section, there are a few additional things you can try.
First, you can try reinstalling Firefox. This will often fix any corrupted files that may be causing the XULRunner error.
If that doesn’t work, you can try resetting Firefox. This will reset all of your Firefox settings back to their default values.
Finally, if you’re still seeing the XULRunner error, you can try reinstalling XULRunner. This will install the latest version of XULRunner, which may fix the problem.
Conclusion
If you’ve been seeing the “XULRunner Error: Platform Version is not Compatible” error, it’s likely because you’re using an outdated version of XULRunner. The solution is to update to the latest version of XULRunner. You can do this by downloading the XULRunner SDK from the Mozilla Developer Center.
