Firefox stalls when not in use and must be forced quit.
The program works fine while I am actively using it. When it is in the background while using another application, or when I wake the computer from sleep and bring up Firefox, the program has stalled/become unresponsive. This phenomenon started approximately two weeks ago. I have turned all add-ons acquired the past six months in an attempt to eliminate conflicts, but the program still freezes when not active at least once a day.
Chosen solution
You do have a load of addons that can cause weird problems.
Could you try safe mode and see if it works there?
Further information: Diagnose Firefox issues using Troubleshoot Mode
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Chosen Solution
You do have a load of addons that can cause weird problems.
Could you try safe mode and see if it works there?
Further information: Diagnose Firefox issues using Troubleshoot Mode
You can also consider to create a new profile to have a fresh start. That will also get rid of some weird pref values.
See "Creating a profile":
- https://support.mozilla.org/kb/profile-manager-create-and-remove-firefox-profiles
- http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Profile_issues
You can transfer some files from an existing profile to the new profile, but be cautious not to copy corrupted files to avoid carrying over the problem
I will start disabling add-ons in reverse order of how I have installed them, as these daily stalling issues are a recent phenomenon.
After 36 hours of Firefox running in the background without freezing, I think it safe to say that by process of elimination I have found the add-on that was causing this issue after upgrading to the latest version. I have since removed said add-on from the browser altogether.
Can you tell us which extension caused this issue?
Flash Video Downloader 5.3.2.