Clear Pagefile on System Shutdown
As an added security precaution it is possible to clear all data that has been written to the page file so it cannot be retrieved. The downside to this tweak is that it may substantially increase shutdown time depending on the amount of data in the page file.
1 [Start] [Run] [Regedit]

2 Registry Key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management

3 Modify/Create the Value Data Type(s) and Value Name(s) as detailed below.
4 Data Type: REG_DWORD [Dword Value] // Value Name: ClearPageFileAtShutdown

5 Setting for Value Data: [0 = Clear Page File Disabled / 1 = Clear Page File Enabled]
6 Exit Registry and Reboot

- srikanth dhanwada