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Firefox crashes. Couldn't load XPCOM. Clean reinstall didn't help

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  • Последний ответ от FredMcD

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Firefox crashes. Couldn't load XPCOM. Clean reinstall didn't help. Scanned with antivirus - no malwares. Just found and deleted avery file\folder with "Mozilla" in it, cleaned the regystry - no luck... please help me

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Hello,

Has your problem been resolved? If you haven't already, please select the answer that solves the problem. This will help other users with similar problems find the solution.

Thank you for contacting Mozilla Support.

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Many have reported issues using the 64bit Firefox. Install the 32bit version from; Download Firefox For All languages And Systems {web link}

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An error message about XPCOM missing or about platform version usually happens because of a failed Firefox update that left you with a mixture of old and updated files in the Firefox program folder. This can happen in case security software was keeping a handle of some of the files in the Firefox program folder preventing Firefox from replacing all the files. You need to do a clean reinstall and remove the Firefox program folder to ensure that all files are replaced. You may have to disable security software temporarily in case the problem persists.


Make sure that both these folders do not exist:

  • (64-bit Firefox) "C:\Program Files\Mozilla Firefox\"
  • (32-bit Firefox) "C:\Program Files (x86)\Mozilla Firefox\"

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FredMcD said

Many have reported issues using the 64bit Firefox. Install the 32bit version from; Download Firefox For All languages And Systems {web link}

This helped, thank you)

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Выбранное решение

Hello,

Has your problem been resolved? If you haven't already, please select the answer that solves the problem. This will help other users with similar problems find the solution.

Thank you for contacting Mozilla Support.

Helpful?

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When I have this problem, I just reinstall Firefox. I put a shortcut to the installer on my desktop, then just click it and Firefox reinstalls in a few seconds. Easier then redoing my extensions and plug-ins.

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zzbusch Well done.

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