And a Happy Eid to you. :-D Just because the code works, it doesn't mean that it is good code.

Hello, World! Stack fault? Yes! Exception Handler? Nop! Double fault? Yes! Exception Handler? Nop! Triple fault? Reboot! Hello, World! Stack fault? Yes! Exception Handler? Nop! Double fault? Yes! Exception Handler? Nop! Triple fault? Reboot! HellPower off.

I'd go for the Shell section, since you're writing about a shell feature. Just because something uses COM, doesn't mean it automatically goes in the COM section. (Heck, you have to use COM when using a great number of shell features.) --Mike--

Sorry to wake this thread after 4 years, but did you find a solution to this problem? I have a static virtual channel plugin, It works fine between Windows 7 machines, but when I run use an XP client, the server fails at WTSVirtualChannelWrite with "Incorrect function" Please tell me if you found any clue!