Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

De update kon niet worden geïnstalleerd. Controleer of er geen andere versies van Firefox actief zijn op uw computer, en herstart daarna Firefox om het opnieuw te proberen.

  • 1 reply
  • 80 have this problem
  • 136 views
  • Last reply by cor-el

more options

De update kon niet worden geïnstalleerd. Controleer of er geen andere versies van Firefox actief zijn op uw computer, en herstart daarna Firefox om het opnieuw te proberen.

This happened

Every time Firefox opened

== yesterday

All Replies (1)

more options

Do a clean reinstall and download a fresh Firefox copy from http://www.mozilla.com/firefox/all.html and save the file to the desktop. Uninstall your current Firefox version and remove the Firefox program folder before installing that copy of the Firefox installer. It is important to delete the Firefox program folder to remove all the files and make sure that there are no problems with files that were leftover after uninstalling.

You can skip the step to create a new profile, that is not necessary for this issue. ..... See http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Clean_reinstall