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  • 2 replies
  • 1 has this problem
  • Last reply by cor-el

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since today I cant open web browser nor links from emails to websites, Each time I get error messages. In settings, ff is shown as default browser. have tried re installing but no solution so far? many thanks

All Replies (2)

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Hey ..

please read the article....i hope you will find the solution easily :

Firefox won't start - find solutions

thank you

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What error messages do you see ?

Can you attach a screenshot ?

If you get a "Windows cannot find.." alert then this is a problem with Avast making changes to some registry keys.

See also: /questions/1290490 Windows Cannot Find Firefox.exe

  1. Open: run (Windows key + r)
  2. Type: regedit
  3. Navigate/Search to Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Option
  4. Delete the (Debugger) folders of apps that do not work