I have checked through the support forums and googled this issue, but have seen no resolve for my particular case. It should be noted that I'm using a corporate laptop th… (read more)
I have checked through the support forums and googled this issue, but have seen no resolve for my particular case.
It should be noted that I'm using a corporate laptop that I have admin rights to, but don't have control over windows update, McAfee security software, and a few other items. The hard drive is encrypted as well using McAfee Endpoint Encryption.
Firefox 8.0.1 works like a charm, and all versions before that have worked perfectly fine. However, when Firefox automatically updates to 9.0.1, I lose all functionality. Upon install, it will hang on the "checking extensions" dialog box typically within a theme. I can close out of the dialog, and firefox will launch. However it just hangs. Nothing will happen at all. Websites won't come up, I can get into some menu items, but typically cannot alter anything (such as in Tools > options. I might make a change, but it will never take).
Regardless of how I then close Firefox, the process continues to run (I've let this go as long as 2 hours and then had to kill the task in task manager).
When I restart one of two things will happen. Typically A) it hangs as described above or B) a website may load (such as when I click on a link in an email or office document, but when I attempt to navigate (click on a link within the website) or even scroll down the page, firefox will promptly crash.
I found an old version of 8.0.1 online and was successful in reinstalling it. Everything works like a charm in 8.0.1. I updated ALL of my extensions, and disabled all add-ons. I cleared everything possible. I even disabled hardware acceleration. Typically by the time I close out of firefox and open it a second time, 9.0.1 would have automatically downloaded and initiated install, so then I have to kill the process and re-install 8.0.1 manually to regain functionality.
And yes, these things occur in safe mode as well. When updated to 9.0.1 not only are options unable to be changed, but attempting to get into about:crashes or about:config fails.
I also attempted to download the FireFox 10 beta, which yields the same result.
Any insight would be more than appreciated. Clearly it appears that some function available within FireFox 9.0.1 which was not the same in 8.0.1 is causing this issue.
As an aside, a colleague of mine was having the same issue and reverted to our company's internal software library that is still using FireFox 4.0.0.