Windows 7: "Preparing security options" message after attempted shutdown

I've never experienced this message before. I have not had a virus or malware be detected in a year. This came up when I tried to close KVIRC, an IRC client program and turn off my laptop via the power button.

Was this a glitch or something? I'm really hoping it isn't a virus. I haven't experienced any performance issues so..



I should add the laptop appeared to freeze. I powered down, rebooted, and everything seemed to run normally.

UPDATE: Microsoft security essentials picked something up with a full system scan. Not sure if the 3 viruses were related.

This happened a little after 2:00 am, if that helps in sifting through the data.

Scan system with Download Malwarebytes Anti-Malware 1.62 - FileHippo.com

Update your graphics card drivers: Sun Jul 11 03:00:59 2010 AMD Graphics Drivers & Software

If you get another BSOD make sure you post all the info from the SF Tool, some files were missing.

Thanks

Scanned with MalwareBytes, it didn't find anything. Will see if it's a driver issue. It's very strange it did this. LIke I said, this has never happened before.