This computer must be restarted before updating can continue
If you don't find your problem listed, contact Customer Support.The plug-ins that I'm trying to update are Quick Time and Google Earth. You must complete that installation before continuing this one." I am using Windows 8.I have restarted and that doesn't help This has been going on for several days. I searched and see that this has been a problem for others but can't find a simple fix that isn't way beyond my basic knowledge. If this should happen to you, I opened Windows Update Troubleshooter (Windows 8), and it corrected the problem in order for me to update all plug-ins. Read this answer in context hello mpitt, this sounds more like a problem of your operating system - here on a forum specialised on support for the firefox browser we might not be the right people to come up with a solution for this kind of issue...There is NOTHING else being downloaded at this time.I have restarted and that doesn't help This has been going on for several days. I searched and see that this has been a problem for others but can't find a simple fix that isn't way beyond my basic knowledge. When I click "update now" and download the update, I get a message "Another installation is in progress.