windows Xp :

1-start
2-run
3-write "regedit" without quotes, (OK)
4-go to: HKEY_LOCAL_MACHINE/SOFTWARE/Microsoft /Windows/CurrentVersion/Explorer
5-Right-click in the right-hand window and create a new "value DWORD" with the
name of: AlwaysUnloadDll , and give it the value of: 1.

Windows 7 :

1-start
2-write "regedit" without quotes, (OK)
3-go to: HKEY_LOCAL_MACHINE/SOFTWARE/Microsoft/Windows/CurrentVersion/Explorer
4-Right-click in the right-hand window and create a new "value DWORD" with the
name of: AlwaysUnloadDll , and give it the value of: 1.

This change does not apply to older 16 bit DLLs. Some programs may give an
invalid page fault message, or crash the system.

To turn it off: delete the AlwaysUnloadDll entry.