You could ask him if he reduced the rights of his user account. XP Pro offers you far more indepth setting possibilities.
As well it could be that he has some kind of security application that interfers or "catches" the call you do through appi.
I would assume thats more something towards the first one, that Windows just does not give it the right to do it when you use your WinAPI calls.
Good thing is that the solution most likely will work in the higher Vista Editions as well on user accounts with reduced rights.
As well it could be that he has some kind of security application that interfers or "catches" the call you do through appi.
I would assume thats more something towards the first one, that Windows just does not give it the right to do it when you use your WinAPI calls.
Good thing is that the solution most likely will work in the higher Vista Editions as well on user accounts with reduced rights.