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Old 09-04-2009, 11:04 PM   #21
Ollie
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Join Date: Dec 2007
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Welcome to the forums!

Have you ever installed Alcohol 120%, Daemon Tools or a similar software, maybe only a virtual CD drive? They install (and often don't uninstall) a driver that shows up as "unknown" in RATT and I've seen one case where it was actually responsible for DPC trouble.
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