Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Sök i support

Akta dig för supportbedrägerier: Vi kommer aldrig att be dig att ringa eller skicka ett sms till ett telefonnummer eller dela personlig information. Rapportera misstänkt aktivitet med alternativet "Rapportera missbruk".

Läs mer
Denna tråd har arkiverats. Ställ en ny fråga om du behöver hjälp.
Arkiverad

I get Update errors when no update is due - sometimes won't close

FredMcD besvarat
gkmcgee

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.

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.

Alla svar (2)

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.