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How to cancel Firefox Update
Tuesday, March 17th, 2009Have you accidentally clicked Check for Updates under Firefox Help menu or want to cancel the update after realizing you really don’t need to update Firefox? Restarting firefox won’t cancel the update.
To cancel the update:
close Firefox first
Go to c:\documents and settings\username\local settings\applications\mozilla
look for active_update (xml file) then delete it….
Previous Comments
Thanks. This worked great except for the fact that the relevant directory is slightly different on my computer. It is C:\Documents and Settings\USERNAME\Local Settings\Application Data\Mozilla\Firefox\Mozilla Firefox
Posted by BenoƮt Gauthier at January 25, 2010, 10:00 pmmaybe the easiest method is to search for the file then deleter it.. the file to search is active_update.xml
Posted by COPERNICUS at January 26, 2010, 10:24 amactive-update.xml rather than active_update.xml
Posted by ian beselin at June 23, 2010, 9:07 pm


Thanks, I don’t have a c: drive so how how do I cancel Firefox update on a MacBook. I use hotmail so I needed it. Now my computer shuts down when Firefox is on the desktop.
Posted by Helen Harris at August 17, 2009, 1:35 pm