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Why do Firefox buttons stop working?
A few times each day, buttons like the close, minimize, and cascade buttons top working, and I can't switch tabs. When this happens I have to use the Firefox button and go to exit. The Firefox process remains running, so I have to exit it via task manager. Why does it do this?
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This issue can be caused by an extension that isn't working properly.
Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance).
- Do not click the Reset button on the Safe mode start window or otherwise make changes.