That points to a driver
. Did you keep the drivers
given by the Windows 7 installer and quickly updated via optional Windows Updates, then only import those missing in Device Manager?
Users can get in trouble with Windows 7 if they used XPired methods to change out all drivers. Windows 7 is the authority on its own drivers until performance points to problems with one.
If this behavior started after install, See if you have Restore Points to go back to the point where it started then install drivers one-by-one with time to check performance. Do the same with other Updates, in small groups if necessary to rule them out.