Your computer has been severely infected by malicious software, that is HDDDRIVER.DLL. This is quite dangerous and unsafe for your PC and there may be other infections on your PC. You should urgently check your PC and remove any malicious application including HDDDRIVER.DLL as soon as possible.

Location : C:\Documents and Settings\All Users\Application Data\Microsoft\Media Index\Drivers\hdddriver.dll
Type : Malicious software
Dangerous : YES
Removal : Immediately

 
How to get rid of HDDDRIVER.DLL [ Manual Removal Method ]