I closed an application, but the process remained in the list. I try to stop in from the task manager, but nothing happens. No error messages, process just stays in the list. I try to debug it, but the debugger says:
Unable to attach to the crashing process. The requested operation is not supported.
This happens with VS2008 and some other programs, sometimes.
How to terminate it?
Answer
Unfortunately, the only real recourse is to reboot.
I've had this problem too, and I could find absolutely no way to successfully kill the crashed process. I tried just about every pskill/similar app I could find, and they all fail.
As I understand it, the most common cause of this problem is when the offending process loads a system driver, and then sends it an request that it fails to complete. Apparently the kernel can't properly deallocate the memory from the process when it closes because the crashed driver is in a IO wait state that requires access to the process address space.
(Mostly cribbed from) http://blogs.technet.com/markrussinovich/archive/2005/08/17/unkillable-processes.aspx
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