Microsoft Security Essentials causing PC to go all weird and slow after logging in.

  • Thread starter Thread starter bdg2
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bdg2

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I have a Lenovo T430 laptop running 64 bit Windows 7 Pro.

A few days ago it stopped booting up properly.

I appears that the latest virus definitions file for Microsoft Security Essentials has something in it which makes the laptop jam up after logging in to Windows.

I can get it working temporarily by disabling MSE real time protection or by using a restore point to revert to virus definitions from a few days ago or by doing:


cd /d "C:\Program Files\Microsoft Security Client"

MpCmdRun.exe -RemoveDefinitions -All



and rebooting. Which seems to be an alternative way of reverting to older virus definitions.


How can I find out what file is confusing/crashing Microsoft Security Essentials?

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