ntldll.dll access violation

I have some code which calls up crystal reports (8.5), works fine on all PCs, in delphi 4 (yes I know it is ancient)

When recompile it in Delphi 7, it works on most PCs, but some give the following access violation

raised exception classEAccessViolotion with message 'Access violation at address 7c912ffc in m9odule ' ntdll.dll'. Write of 00404575"

This happens the initialization section of the code.
We have tried 'wise' installs of the program

Any suggestions ?
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see the following paq, you might find a solution to your specific issue:
if not, try to localize the issue by doing a step by step debug, or using a logging mechanism.
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