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.
[Start] –> [Run] –> Type Regedit –> Press Enter –> then Navigate to following key.
Registry Key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management
Modify/Create the Value Data Type(s) and Value Name(s) as detailed below.
Data Type: REG_DWORD [Dword Value] // Value Name: ClearPageFileAtShutdown
Setting for Value Data: [0 = Clear Page File Disabled / 1 = Clear Page File Enabled]
Exit Registry and Reboot
[Source : Windows Xp , Vista , 2000 Registry Tricks Hacks]
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