Disable or able copy paste,,

This is happen in my computer,, when i was visiting one site,,

my computer suddenly,, hang and after that its turn off automaticly,,

after i turn on it again,, my pc cannot copy(ctrl + c) paste(ctrl + v) cut(ctrl + x),,

and im looking to my registry,, and exactly it has changed by something,,

this the way to disable the function of copy paste,,

1. go to regedit Regedit

2. go to directory HKEY_LOCALMACHINE\SYSTEM\CurrentControlSet\Control\

3. right click on the folder Control and choose New -–> Key

4. rename as “StorageDevicePolicies”

5. right click on that and then choose New –> Dword

6. named “WriteProtect”

7. double click on the Dword named “WriteProtect” , and then change the Value Data into '1'

8. after that restar your computer,,

to make it able(able copy paste again,,) just change 1 into 0,,