App-V: Using ProcMon in a package.

Not exactly hard to find information, but there is a reason I called it The Collection...

Insert this into the OSD of the offending app, once CMD runs, execute procmon (which you will obviously need to download to the machine) and close the command prompt, the app will then proceed to load and, presumably, error as usual, while procmon watches.

<SCRIPT EVENT="LAUNCH" TIMING="PRE" PROTECT="FALSE" WAIT="TRUE" TIMEOUT="0">
<SCRIPTBODY>cmd.exe</SCRIPTBODY>
</SCRIPT>