Setup Logging - SETUPAPI

SetupAPI logging is supported on Windows 2000, Windows XP, and .NET Server platforms only. During device installation or removal many SetupXxx and SetupDiXxx functions are called by device manager. If appropriate options are set in the registry these functions will generate a log of the actions taken. This can give a device driver developer important information about the execution of directives in an INF file and the execution of co-installers. This may appear on your system as:
RUNDLL32 SETUPAPI,INSTALLHINFSECTION DEFAULTINSTALL 128 OEMSYSPNP.INF -or- RUNDLL32 SETUPAPI,INSTALLHINFSECTION OEMVIDEOPNP 128 OEMSYSPNP.INF. Most often, rebooting your system will get rid of these.

More information can be found in Microsoft's Knowledgebase:
Windows Setup and Device Installation Logging - http://www.microsoft.com/whdc/hwdev/driver/setup/SetupAPI.mspx

Using SetupAPI Logging - http://msdn.microsoft.com/library/default.asp?url=/library/en-us/install/hh/install/troubleshoot_9g87.asp.

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