microsoft-security-essentials

Microsoft Security Essentials Error Upon Windows Startup 0x80070002


If you are receiving an error upon windows starting up in Windows 7, Error code: 0x80070002, after trying to uninstall Microsoft Security Essentials then follow the steps below to fix it.

0x80070002

Microsoft Security Essentials

Step 1

First you will want to download and run the Microsoft Fix it tool from here: http://go.microsoft.com/?linkid=9775235

microsoft-fix-it

Step 2

In our instance, the Fix it tool doesn’t clean/fix everything and we still need to delete a certain registry entry. So go to the start menu and launch “Regedit.”

regedit

Step 3

Now browse to the following location. One of the folders under the “Uninstall” folder will contain a Microsoft Security Essentials entry on the right hand side. Delete that one.

[vb]HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\Current version\Uninstall\[/vb]

regedit-uninstall

Step 4

Reboot your computer, and hopefully the error is now gone.

Additional Tips/Sources

http://support.microsoft.com/kb/2483120

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