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How to clean the virtual memory pagefiles in Windows XP

What is Virtual Memory?
Virtual memory is a system enhancing functionality implemented for Microsoft Windows operating systems. When you have multiple programs or tasks running at the same time, Windows creates one or more virtual memory pagefiles that store information not used by your memory (RAM). These page files can sometimes contain sensitive information such as credit-card numbers and passwords you enter.

How to clean the virtual memory pagefiles
You can make your computer automatically clear the virtual memory pagefiles whenever you shut down your computer. To do this, follow the steps below:
  1. Click Start, then click Run...
  2. Type "regedit" then click OK. The Registry Editor will be displayed.
  3. In the left menu, expand the following registry keys in this order:
    HKEY_LOCAL_MACHINE, SYSTEM, CurrentControlSet, Control, Session Manager
  4. Click the Memory Management folder,
  5. In the right pane, double-click ClearPageFileAtShutdown. The Edit DWORD Value window will be displayed.
  6. Type 1 in the Value data field, then click OK.
  7. Exit the Registry Editor.
  8. Restart your system so the changes can take affect.

Related topics

How to increase the virtual memory size in your computer


  • Alias ID: MIGR-67529
  • Document ID: HT001838
  • Last Updated :03 Mar 2015
  • (c) 2014 Lenovo