This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

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

This thread was archived. Please ask a new question if you need help.

After upgrade to 10.5 all I get is must re-boot to start. Cannot delete without reboot message

  • 1 reply
  • 1 has this problem
  • 4 views
  • Last reply by Matt_G

Fred_Oregon
Fred_Oregon
more options

Sadly, I updated to 10.5. Now when I click the icon to start FF all I get is message to re-boot. When I re-boot and click again I get re-boot message again. Cannot remove program via add/remove programs due to same re-boot message. I have looked for a suggested dll file, not there. I removed file firefox.exe.moz-upgrade to no avail. After removing aforementioned file I was able to delete but when I did a new install, same problem. Windows XP, Toshiba Satellite. Thank goodness for I.E.

Sadly, I updated to 10.5. Now when I click the icon to start FF all I get is message to re-boot. When I re-boot and click again I get re-boot message again. Cannot remove program via add/remove programs due to same re-boot message. I have looked for a suggested dll file, not there. I removed file firefox.exe.moz-upgrade to no avail. After removing aforementioned file I was able to delete but when I did a new install, same problem. Windows XP, Toshiba Satellite. Thank goodness for I.E.

All Replies (1)

Matt_G
Matt_G
more options

Hi Fred_Oregon,

Usually the only reason it will ask you to reboot is if there is a file that must be modified that the updater doesn't currently have access to. You should try running the Firefox program once as Administrator:

  • Right-click the icon and choose Run as Administrator

If that doesn't help then do a clean reinstall.

  1. Download a fresh copy of Firefox from the Mozilla download page and save the file to the desktop.
  2. Uninstall your current version of Firefox and remove the Firefox program folder before running the new installer.
  3. Run installer

Remember that you don't want to remove personal data when uninstalling. That way you'll still have your personal information.

Hopefully this helps!