Check Out here !!!
Who is using Your System
What your computer is hack by hacker ???
Go to Search and type there cmd open it .
there type system.ini
then u will see a msg in notepad
Now Read it and see the [drivers]
if there write this user=userdrv.dll
then Your Computer s hack .
otherwise if this wrote this
wave=mmdrv.dll
timer=timer.drv
[mci]
then Your Computer is Save .
Good Luck ..!!! :)