>Hi Len
>
>Under W2K this function actually completely stops/traps everything, including Alt Tab. Just a suggestion, could you write a loader app with this API call in it and which then calls your propriety app?
>
>Jos

Thought I'd let you know, I've found this on TechNet -

How to Lock Down Windows NT and Internet Explorer 4.01 Desktop [Q198771]

it may go a long way to doing what we want, if I understand it correctly.