I accidentally deleted Windows Defender from my computer, how do I acquire and reinstall?

The software is also updated to 12/05 12.

Hello

If you have Vista, Windows Defender is part of the operating system, and you should not be able to uninstall it and can reinstall it not from a download.

Try a repair installation upgrade to replace these files.

How to perform a repair for Vista Installation»

http://www.Vistax64.com/tutorials/88236-repair-install-Vista.html

See you soon.

Tags: Windows

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