My PC be attacked by HACKED BY GODZILLA worm. After FIXING it,my CD-Drive is not functioning. Why?

While following the steps for fixing it, it asked me to set a meaning of ZERO for CD drive surrounded by REGEDIT.. After that CD drive is not functioning.. I tried setting the advantage to ONE again but in vain.. The disc drive works at times.. So i think in that is no problem in the hardware.. someone pls relief me to solve this issue.. Thanks in mortgage..

Answer:
If you have the restore disc.
Go to it and open Drive (restore)
Click on your Cd drive and hit restore.
This will bring you final to the day u get it.
Hope this helps
Ben

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