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Two versions of Firefox (74.0 and 80.0) showing in Programs (Windows 7)

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Hi All,

For some reason, I have two versions of Firefox showing in my Programs and Features, on Windows 7.

Version 74.0, installed 13/03/2020, and version 80.0, installed 28/08/2020.

I've seen another topic mentioning this problem for older versions, and tried using a Registry Cleaner as mentioned in that one - but it has made no difference, and both versions are still there.

I'm wary of trying to uninstall the 74.0 version using the Firefox uninstaller, as when I start that there is no mention of it just uninstalling 74.0 - it gives the impression it is uninstalling all versions, which is not something I want.

I just don't need two versions of Firefox on my PC, especially when the older version is no longer used.

Any advice would be much appreciated.

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Are both Firefox 74.0 and 80.0 installed in different locations ?

I ask because we regularly get reports that the updater isn't removing the old Firefox version from the uninstall key in the Windows registry, so if you would uninstall the older 74 version then you would actually remove the newer Firefox 80.0 version.

  • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Mozilla Firefox (????)