I get Update errors when no update is due - sometimes won't close
I will get a window appearing stating that a Firefox update failed.. but when I check, I have the latest version.
Sometimes Firefox will not close, but runs in the background.. does not show as application in Task Manager. I have to restart in order to resume browsing.
Additionally, Microsoft Security Essentials Virus definition KB2310138 (definition 1.165.3736.0) will not update with WindowsUpdate_80070002 Error. Updating definitions through MSE fail with connection failure.
I think the two problems are related.
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I had an issue with my Win 7 Microsoft Security Essentials. Windows update
would download the upgrade, but the upgrade could not install. After many
hours of searching help sites and web search engines, I finally found out
what the problem was. Somehow, Windows lost the install information
file. And without those files.......
Go to
Fix problems that programs cannot be installed or uninstalled
and check it out. I ended up using the Fix-It program to manually remove
two programs called Microsoft Security Client. Don't forget to first download
the current Microsoft Security Essentials first.
As to Firefox, go to Mozilla.org and get the full installer.
If there is still a problem,
Start Firefox in Safe Mode
While you are in safe mode;
Firefox Options > Advanced > General. Look for and turn off Use Hardware Acceleration.