I've created a new post that is a bit more detailed. Please answer here Lutz.

>Duplicate to Thread#01686893. Should we answer here or there?
>
>>Whenever I attempt to change the Zoom setting when Previewing 2 particular Reports with SET REPORTBEHAVIOR 90, see a brief flash of the re-scaled Preview followed by the Development Environment crashing. Other Reports work correctly and this does not occur in the compiled versions running the same 2 reports.
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>>I looked at the Windows Error Log and it appears to be an issue with the NTDLL.DLL file in the Windows/System32 folder. Stumped as to why this is happening for these 2 reports.