Category Archives: device manager

Solution To “MMC could not create the snap-in. The snap-in might not have been installed correctly.”

By | 4 November 2009

I’m using a Windows XP and tried to open the Device Manager today. To my surprise, I got a “MMC could not create the snap-in” error screen instead (pic):I recalled that 2 weeks ago I encountered the exact same problem after I ran a third party ‘Registry Cleaner’ software to fix some device problems my… Read More »