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Sunday, April 10, 2011

Errors installing Microsoft Security Essentials

During the install of Microsoft Security Essentials I was receiving the following errors:
  • 0x80070643
  • 0x8004FF37
In the end I found a Windows OneCare Cleanup Tool here:

This machine never had OneCare installed, but as I watched the cleanup tool do its work I noticed it was cleaning up older versions of Windows Antimalware and Windows Defender. This machine did have Windows Defender once upon a time.

For what its worth the Cleanup Tool wanted a reboot, but I declined, and MSE installed successfully.

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