Tuesday, July 10, 2007

Disable DLL Caching (Windows XP)

Windows Explorer caches DLLs (Dynamic-Link Libraries) in memory for a period of time after the application using them has been closed. This can be an inefficient use of memory.

1. Find the key [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ Windows\CurrentVersion\Explorer]
2. Create a new DWORD sub-key named ‘AlwaysUnloadDLL‘ and set the default value to equal ‘1‘ to disable Windows caching the DLL in memory.
3. Restart Windows for the change to take effect.

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