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I am unable to type emails after updating. What I type does not resemble what I see. The mouse has a mind of it's own, and scrambles the words I type..

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  • Last reply by jemusu

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Firefox crashes a few times every night (it crashed instantly when I updated tonight!) That is not a huge problem, but this is. The last time I updated I had problems typing emails. I begin to type an address or subject and the text is highlighted and scrambles instantly. I have never had this problem before. The browser tag seems to "flash" too... I reboot the machine (using a mac laptop) which seems to help a little, but this is both infuriating and time consuming.

Firefox crashes a few times every night (it crashed instantly when I updated tonight!) That is not a huge problem, but this is. The last time I updated I had problems typing emails. I begin to type an address or subject and the text is highlighted and scrambles instantly. I have never had this problem before. The browser tag seems to "flash" too... I reboot the machine (using a mac laptop) which seems to help a little, but this is both infuriating and time consuming.

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You can do a check for corrupted and duplicate fonts and other font issues:

Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the extensions or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).

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Thank you for that. Anything is worth trying! No joy, I'm afraid!