Microsoft Security Essentials Definitions Update Failed Error 0x80080005

Microsoft Security Essentials is no doubt a very good anti-virus anti-malware software presented by Microsoft. I am a big fan of this software due to few very good and unique features like, Its created by Microsoft itself and it knows windows very well so this deal the operating system very carefully doesn’t crashes or slows down the windows and programs. Its fast and efficient with a light weight effect on the system but there are few things that can create problems for you to use this marvelous piece of work. As stated above the Microsoft Security Essentials definitions update error 0x80080005, this can happen due to various wrong settings of windows services and applications.

First we will ensure that all the services required for Microsoft Security Essentials and its depending services are running and working properly, for this please use the under given steps:

Check the Services

1. Go to Start  Menu and then go to Run

2. Type the under given command in Run and Press Ok

  • Services.msc

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