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firefox update, browser no longer works on older computer windows 7

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  • Last reply by FredMcD

dsmith2960
dsmith2960
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I was getting a browser error on another site, so tried updating firefox. Now nothing works on firefox. Edge is working, google, windows explorer, etc but not firefox. I have an older PC running I think running Windows 7. can I revert back to previous version of firefox or reinstall to an older version if incompatibility is an issue?

I was getting a browser error on another site, so tried updating firefox. Now nothing works on firefox. Edge is working, google, windows explorer, etc but not firefox. I have an older PC running I think running Windows 7. can I revert back to previous version of firefox or reinstall to an older version if incompatibility is an issue?

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FredMcD
FredMcD
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You can check for issues caused by a corrupted or incomplete Visual C++ installation that is missing runtime components (Redistributable Packages) required by Firefox, especially VCRUNTIME140_1.dll.

Install both 32-bit and 64-bit "Visual Studio 2015, 2017 and 2019" downloads, (x86: vc_redist.x86.exe and x64: vc_redist.x64.exe) from https://support.microsoft.com/help/2977003/the-latest-supported-visual-c-downloads

You may not need the latter (32-bit version) if you use 64-bit Firefox. You may have to reboot the computer.