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Don't restore viruses and malware

Viruses, Trojans, worms, spyware and other types of malware are a constant threat on Windows. There are lots of security products though, so avoiding these nasties shouldn't be a problem.

Some people do find their computers infected though and then they have to set about cleaning them up.

One thing that is often forgotten is that System Restore, a sort of automatic backup that Windows regularly performs, can back up malware too.

If you use System Restore to restore a backup, you might restore the system back to a time when you had a virus or other malware!

If you ever get infected, one of the cleanup tasks that you should perform is to clear out the System Restore backups. Here's how to do it.

Windows XP: Click Start, right click My Computer and select Properties. Turn off System Restore on the System Restore tab. Click the OK buttons, restart Windows and then turn System Restore back on.

Windows Vista: Right click Computer and select Properties. Click System Protection, then clear the tick against the disk drive. Click the OK buttons, restart Windows and then turn System Restore back on.

Windows 7: Right click Computer and select Properties. Click System Protection, then click Configure. Click the Configure button and then Delete in the next dialog to delete all restore points.

The downside of this is that you'll lose the ability to restore to a previous date. But if those restore points are infected with viruses, it's not worth it anyway. New restore points will be created.

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