Unload .dll’s to Free Memory

General Tips, Operating Systems, Windows XP Home, Windows XP Pro August 29th, 2004

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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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5 Comments to “Unload .dll’s to Free Memory”

Bill | January 8th, 2005 at 2:21 am

I was ask when I bought my new HP pavilion a347x if I wonted the tecniction at the store to take off programs that come with each new computer. Cost $65.00. I said no. Can I free up space on the hard drice myself. please advise
PSssssssss | February 25th, 2005 at 6:25 pm

Create a new DWORD sub-key named Ã¢AlwaysUnloadDLLÃ¢
Useless & wrong advise, because there is already presents:
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorerAlwaysUnloadDll ,of Type REG_SZ
pbrewster | March 10th, 2005 at 6:41 am

How to retrieve dll’s when they are in the system but files do not recognize them when installing? What utility programs are used to open dll files?
Jinx | May 11th, 2006 at 1:30 pm

Thank you for your contribution, very useful, I was unable to remove a folder before this trick!
Amarjeet Jayanthi | February 8th, 2008 at 12:32 pm

Hi,

That was some very helpful stuff on Windows Explorer related to DLL’s.

Regards,
Amarjeet