How can I verify that pop-up upgrades are safe?

I am experiencing occasional pop ups asking that I upgrade Firefox -- ie- download and install the upgrade/update offered with the pop-up. Is this offering legit?

hello robfeimer, first you're right to be careful about such notices, since recently it has become a fairly often used tactic by malicious websites to try to trick users into downloading malware-infested versions of the browser. as a rule of thumb, when you are getting prompted to download and run a .exe file to update firefox, it will be a scam, since firefox handles updates internally...
you can always initiate a check for updates manually in the firefox ''menu > help (?) > about firefox''.

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    Message was edited by: Keith Jefferies

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