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firefox is hanging up and using 20-50% of cpu since the update to quantum. articles on here didn't work HELP please

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  • Last reply by gccoleman

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Fire fox since the update is running really slow hanging up all the time and using 20-50% of my cpu. I have tried ALL of the fixes that were on the support page i even uninstalled and re installed firefox yet it is still happening. PLEASE help me i love fire fox but if it keeps like this i will have to abandon it as i cant do anything with it freezing every few seconds.

Fire fox since the update is running really slow hanging up all the time and using 20-50% of my cpu. I have tried ALL of the fixes that were on the support page i even uninstalled and re installed firefox yet it is still happening. PLEASE help me i love fire fox but if it keeps like this i will have to abandon it as i cant do anything with it freezing every few seconds.

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philipp said

hi, thank you for reporting this problem. can you please test if the following steps can fix the performance issue you're seeing in firefox 57?: enter about:config into the firefox address bar (confirm the info message in case it shows up) & search for the preference named accessibility.force_disabled. double-click it, change its value to 1 and restart firefox once. then please let us know how this goes?

Not the OP, but I had the same problem. When the new Firefox update came, FF stopped working on my Windows 10 laptop at work (it was and is fine on my Windows 7 personal laptop). It would open up and be fine (if slow) for a minute or two, and then start hanging. Refreshing Firefox did nothing to solve the problem. But going into about:config and changing the value specified fixed the problem.

If it helps you figure out how to prevent this problem for other people in the future, I use Classic Shell in Windows 10 so I can get a usable start button back.

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hi, thank you for reporting this problem. can you please test if the following steps can fix the performance issue you're seeing in firefox 57?: enter about:config into the firefox address bar (confirm the info message in case it shows up) & search for the preference named accessibility.force_disabled. double-click it, change its value to 1 and restart firefox once.

then please let us know how this goes?

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philipp said

hi, thank you for reporting this problem. can you please test if the following steps can fix the performance issue you're seeing in firefox 57?: enter about:config into the firefox address bar (confirm the info message in case it shows up) & search for the preference named accessibility.force_disabled. double-click it, change its value to 1 and restart firefox once. then please let us know how this goes?

Not the OP, but I had the same problem. When the new Firefox update came, FF stopped working on my Windows 10 laptop at work (it was and is fine on my Windows 7 personal laptop). It would open up and be fine (if slow) for a minute or two, and then start hanging. Refreshing Firefox did nothing to solve the problem. But going into about:config and changing the value specified fixed the problem.

If it helps you figure out how to prevent this problem for other people in the future, I use Classic Shell in Windows 10 so I can get a usable start button back.

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The about:config did the trick. Thank You so much