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Popup says an insecure update is trying to fool Firefox into uploading it

  • 1 reply
  • 1 has this problem
  • 6 views
  • Last reply by cor-el

stevestealth
stevestealth
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The popup occurs a few minutes after Firefox is launched. Not sure if this happens when AVG start auto scan.

The popup occurs a few minutes after Firefox is launched. Not sure if this happens when AVG start auto scan.

All Replies (1)

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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This issue can be caused by the presence of leftover files in the Firefox program folder (defaults\pref) like a file firefox.js that overrides the update URL with a wrong link.

Do a clean reinstall and be sure to remove the Firefox program folder to remove the file(s) that cause the problem.

See: