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When I click Show Update History a popup says unable to determine if update available.

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  • 1 has this problem
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  • Last reply by FredMcD

Johnsf2000
Johnsf2000
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This message also pops up by itself during my use of Firefox.

This message also pops up by itself during my use of Firefox.

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FredMcD
FredMcD
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Windows XP and Vista have been having problems with the newer Firefox versions. You might not be able to update.

https://support.mozilla.org/en-US/kb/get-latest-version-firefox-windows-xp-vista