To enable stronger protection on system base objects such as the KnownDLLs list, change the value of 'ProtectionMode' to equal '1' in the registry key below.
Key:[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager]
Value Name: ProtectionMode
Data Type: REG_DWORD
Data:(0 = disabled, 1 = enabled)
More info: http://support.microsoft.com/support/kb/articles/q218/4/73.asp
