The User Interface Extensions tab allows you to specify DLLs which can be used to extend the Memory Validator user interface.

Similar to the stub extensions, but without the limit of 16, you can specify extension DLLs which can be used to extend the functionality of the Memory Validator user interface.
•Enable user extensions... 
 allows you to turn your extensions on/off without having to enable/disable or remove them all. 
Standard options control the list:
•Add... 
 browse and select one or more DLLs 
 Open 
 adds the chosen DLLs to the DLLs list 
•Remove 
 removes any selected DLL from the list
•Remove All 
 removes all DLLs from the list
Enable or disable a DLL by ticking or unticking the yellow boxes or change them all at once
•Enable All 
 ticks all the DLLs, enabling them all 
 
•Disable All 
 unticks everything 
See also stub extension DLLs
Reset All - Resets most global settings including those on other pages, but does not clear the DLLs in this list other than those added since the settings page was last opened.
Reset - Resets the settings on the current page.