I keep getting and MPR.DLL error when I leave my computer alone for a few minutes?

This problem has been seen on many computers that also have the Button Manager for the HP ScanJet 5P installed. It seems to occur after the computer has been idle for several minutes and makes it impossible to connect to the Internet without restarting the computer.

Basically, the problem can be solved by disabling the ScanJet Button Manager.  The following article at the Microsoft Web Site sheds some light on this problem.  

Mpr.dll cannot start, check the file to determine the problem.

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This site was last updated on April 20, 1998 by Halifax.Com, Inc.