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Upgraded to V57.0 takes 10-20+ secs to open new tab etc. Why? Win 10

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After upgrading to V57.0 Mozilla is almost impossible to use because it is so slow, for example taking 10 to 20 seconds to open (or close) a new tab. Won't maximise from taskbar icon when minimised (opening another tab before minimising then closing Mozilla from taskbar produces dialog box and maximises). Using Chrome to send this as Mozilla is too slow. Note that Chrome is working perfectly. Thanks

tg

After upgrading to V57.0 Mozilla is almost impossible to use because it is so slow, for example taking 10 to 20 seconds to open (or close) a new tab. Won't maximise from taskbar icon when minimised (opening another tab before minimising then closing Mozilla from taskbar produces dialog box and maximises). Using Chrome to send this as Mozilla is too slow. Note that Chrome is working perfectly. Thanks tg

Chosen solution

hi, can you try if this change can workaround the performance problem?: go to the firefox menu ≡ > options > privacy & security panel and under permissions check the setting to prevent accessibility services from accessing your browser.

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Additional System Details

Application

  • User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36

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philipp
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Chosen Solution

hi, can you try if this change can workaround the performance problem?: go to the firefox menu ≡ > options > privacy & security panel and under permissions check the setting to prevent accessibility services from accessing your browser.

hi, can you try if this change can workaround the performance problem?: go to the firefox ''menu ≡ > options > privacy & security'' panel and under permissions check the setting to '''prevent accessibility services from accessing your browser'''.

Question owner

Thanks Philipp

Thanks Philipp