>>Well, slightly oddly, this is the error message you receive when you try
> >>to terminate a process which has already terminated! I don't know if > >>this behaviour is new to Win7 (and I'm reluctant to build a WinXP VM > >>just to test one line of code :) ). > > >>Could that be the answer? > > > Sorry for the delay in replying, had a few more important crises to solve. To summarize, I have a program running under Windows XP, which launches a process via os.spawnv(). When the user wants to exit the program they press Ctrl-C. The program terminates the process via win32process.TerminateProcess(). Everything is normal. Running under Windows 7, (using the same version of Python), an exception is raised when win32process.TerminateProcess() is called. I know know the reason why Yes Tim, you're right about this. The external process I was trying to terminate with win32process.TerminateProcess() has already been terminated (when running under Windows 7) I wrote a short program which duplicated my application and the external process, to investigate this issue. The application launches a process. The process does nothing but count from 0- infinity. The count is displayed on the screen 1 second apart. The application sits in a while loop waiting for Ctrl-C to be pressed. When I press Ctrl-C, using Windows 7 Task Manager I can see one of the two python processes terminate. Print statements in my code tells me it's the external process which is displaying a count every 1 second. The things I don't understand are: 1. Under Windows XP, the Ctrl-C does not terminate the process, and win32process.TerminateProcess() must be called. 2. Under Windows 7, Ctrl-C DOES terminate the process, and win32process. TerminateProcess() should not be called. 3. How (and why) does the Ctrl-C get propagated to the process, and why does it terminate the process, when the process is running in a separate address space? Thanks
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