>In an existing app I'm debugging an issue that causes a C5 error.
>
>On some machines an error message pops up just saying "Microsoft Visual FoxPro has stopped working. A problem caused the program to stop working correctly" etc.
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>On others a different, more detailed message comes up (see attached image). In this case it seems to also write a VFP9Err.log file to ..\Common Files\Microsoft Shared\VFP\
>
>I can repro the issue on my Win10 x64 laptop, but of course I get only the simple/non-informative message, VFP9Err.log does not get created.
>
>How can I cause the VFP9Err.log file to be created on my laptop?

Create a better bug :)