OK I have just had a thought and bandied it around with the guys.. The general concensus is that it will do no harm but may work.. If you are willing to give it a go ?
Open an elevated command prompt
Go Start > All Programs > Accessories
Right click command prompt and select run as administrator
In the black box type :
sc delete BITS
Reboot the computer
Then merge the bits reg file (if you still have it)