Clear Virtual Memory Pagefile on Shutdown

First you go to Control panel >>

Administrative tools>>

Local security policy>>

Local policies>>

Security options>>

Search in right side for "Shutdown: Clear Virtual Memory Pagefile"

Double click on it.>>

Then enable it >>

Apply>>

Ok.

OR

Browse to: HKEY_LOCAL_MACHINE \ System \ CurrentControlSet \ Control \ Session Manager \ Memory Management

and add the DWORD variable "ClearPageFileAtShutdown"=dword:00000001