CBT Hook not working in Windows Vista

Question

I am trying to use a CBT hook to receive HCBT_MOVESIZE notifications. It works fine for all applications when I run my program from a folder on my desktop. When I install t

Answer 1

Might be a UIPI issue:

User Interface Privilege Isolation (UIPI) implements restrictions in the windows subsystem that prevents lower-privilege applications from sending window messages or installing hooks in higher-privilege processes.

from Microsoft's Windows Integrity Mechanism Design