How to get a process file name from pid, if OpenProcess() fails with ACCESS_DENIED?

Question

I\'m trying to get a process name from its pid. User is running as Administrator, UAC enabled, not elevated.

Some system processes, like services.exe,

Answer 1

Have you tried Process32First() and Process32Next() with a handle retrieved by CreateToolhelp32Snapshot()? It doesn't give you the full path but should at least let you get the file name.