(USB DISABLE KARNE KA TARIKA)  

pehle run main ja kar regedit likhna hai Then
Hkey_Local_Machine\System\CurrentControlset\Services\USBStor

THEN START VALUE KO DOUBLE CLICK KAR KE OPEN KAREIN GE YAHAN 3 LIKHA HO GA US KO 4 KAR DEIN DISABLE HO JAYE GI DOBARA 3 KAR DEIN ENABLE HO JAYE GI