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Firefox consumes a lot of CPU resources when "access to accesibility services is forbidden" is disabled

Kuphostiwe

This problem occured on the latest firefox update on windows 10. I noticed that my CPU usage was high up when I had two tabs open with YouTube and a news site. I have an intel core i7 with eight threads and firefox used consistently 25% percent as reported by windows task manager. To find the problem I started firefox in safe mode, to make sure that it had nothing to do with my add-ons. In safe mode firefox still casued my laptop to overheat. I searched the internet for a solution and someone mentioned the accesibility services. Indeed, firefox has by default disabled the option "access to accesibility services is forbidden". So I toggled this option and since my problem has been solved, I wonder what would've caused this? What was firefox doing when this option was disabled? Perhaps more users are affected by this issue. I hope that I've given enough detail. I tried to look at about:memory, but I couldn't pinpoint the problem there.

This problem occured on the latest firefox update on windows 10. I noticed that my CPU usage was high up when I had two tabs open with YouTube and a news site. I have an intel core i7 with eight threads and firefox used consistently 25% percent as reported by windows task manager. To find the problem I started firefox in safe mode, to make sure that it had nothing to do with my add-ons. In safe mode firefox still casued my laptop to overheat. I searched the internet for a solution and someone mentioned the accesibility services. Indeed, firefox has by default disabled the option "access to accesibility services is forbidden". So I toggled this option and since my problem has been solved, I wonder what would've caused this? What was firefox doing when this option was disabled? Perhaps more users are affected by this issue. I hope that I've given enough detail. I tried to look at about:memory, but I couldn't pinpoint the problem there.

Eminye Imininingwane Yohlelo

Fakela amapulagi

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Isisebenziso

  • I-ejenti Engumsebenzisi: Mozilla/5.0 (X11; Linux x86_64; rv:63.0) Gecko/20100101 Firefox/63.0

Eminye Imininingwane

Roland Tanglao
  • Administrator
72 izisombululo 783 izimpendulo
Kuphostiwe

Hi treebird:

I think this very well documented in our Firefox Knowledge Base at:

https://support.mozilla.org/en-US/kb/accessibility-services

If it isn't what are we missing?

Cheers! ...Roland

Hi treebird: I think this very well documented in our Firefox Knowledge Base at: https://support.mozilla.org/en-US/kb/accessibility-services If it isn't what are we missing? Cheers! ...Roland
cor-el
  • Top 10 Contributor
  • Moderator
17481 izisombululo 157975 izimpendulo
Kuphostiwe

Note that the "Help -> Troubleshooting Information" (about:support) page has a section about accessibility and, if active, shows what application is using it .

Note that the "Help -> Troubleshooting Information" (about:support) page has a section about accessibility and, if active, shows what application is using it .