Sometimes, some one comes to you and asks to exchange data from Pen Drive. You really cannot easily say NO to him/her due to virus infected Pen Drive. There is a trick from which you can Disable Pen Drive Writing easily and you don't need to say NO to any of them.
Procedure:
- Start >> run >> regedit
- Fallow The Path HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control
- Right Click On The Control Folder >> Select New >> Key
- Specify The Nmae >> StorageDevicePolicies
- After Creating The Folder StorageDevicePolicies
- See The Right Side Window >> Right Click On It

- Chose The Option >> NEW >> DWORD
- Specify The Name >> WriteProtect
- Press Enter
- Now In The Vlue Box Enter
- 1 To Disable Write Protected
- 0 To Enble Write Protected
- Ok

