Posted September 20, 200717 yr I have developed a program , let's say it prog 'A'. I have created and set desktop for the process A.Now this process A creates another process B using CreateProcessAs User. Now this process B has it's desktop and windows station same as the Process A. i have done this using lpdesktop field of startupinfo structure. Form Process B i want to launch a GUI apllication. Hence this process B again creates another process C with it's lpdesktop of startupinfo structure set to "WinSta0\\default". Now this works absolutely fine on windows 2000, NT but not on XP. On XP I am able to launch notepad.exe but it is not receiving WM_PAINT messages from system and hence although notepad.exe is launched but all i can see on desktop is notepad's boudary line. Note that this is only on XP, and also if i use CreateProcess instead of CreateProcessAsUser in Process A then there is no problem.
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