[[!comment format=mdwn
 username="http://nullroute.eu.org/~grawity/"
 nickname="Mantas"
 subject="comment 1"
 date="2013-11-13T06:22:49Z"
 content="""
[ProcExp](http://technet.microsoft.com/en-us/sysinternals/bb896645.aspx) may be useful -- it can show process-related syscalls and their return codes _(among other things like file or registry access)_ so it should tell exactly why the exec failed.
"""]]