firefox has re occuring problem with installing updates. how do i fix?
when i try to go online, i get a message from norton's sercurity service that says, exe.updater is safe, then firefox acts like its updating until a error message shows up and says "firefox cannot coplete update, because there's a version already running on my computer. please restart firefox." this even happens a week after i've installed new firefox updates. please help.
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Hello,
Try Firefox Safe Mode to see if the problem goes away. Safe Mode is a troubleshooting mode, which disables most add-ons.
(If you're not using it, switch to the Default theme.)
- On Windows you can open Firefox 4.0+ in Safe Mode by holding the Shift key when you open the Firefox desktop or Start menu shortcut.
- On Mac you can open Firefox 4.0+ in Safe Mode by holding the option key while starting Firefox.
- On Linux you can open Firefox 4.0+ in Safe Mode by quitting Firefox and then going to your Terminal and running: firefox -safe-mode (you may need to specify the Firefox installation path e.g. /usr/lib/firefox)
- Or open the Help menu and click on the Restart with Add-ons Disabled... menu item while Firefox is running.
Once you get the pop-up, just select "'Start in Safe Mode"
If the issue is not present in Firefox Safe Mode, your problem is probably caused by an extension, and you need to figure out which one. Please follow the Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems article for that.
To exit the Firefox Safe Mode, just close Firefox and wait a few seconds before opening Firefox for normal use again.
When you figure out what's causing your issues, please let us know. It might help other users who have the same problem.
Thank you.
Boot the computer in Windows Safe Mode with network support (press F8 on the boot screen) as a test to see if that helps to install the update.
You can find the full version of the latest Firefox 25.0.1 release in all languages and for all Operating Systems here: