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I wrote a utility program in Delphi 2007 years ago. They have worked for years. In the past six months, some Windows 10 bug fix seems to have caused KernelBase.DLL to crash when I move a form rapidly across the screen. It seems to occur in a call to sqrt(). The ultimate cause might be in TWinControl.DefaultHandler. You can see the stack trace at

http://www.jonbondy.com/kernelbase.png

Has anyone else seen this? Is there a known work-around?

David Heffernan
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jon bondy
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  • Try to disable all FPU exceptions to see if it makes a difference. more info [here](http://stackoverflow.com/a/40968784/800214) – whosrdaddy Apr 26 '17 at 16:22
  • That worked! Thank you! – jon bondy Apr 26 '17 at 22:14
  • Possible duplicate of [W10 + Delphi Seattle, TFileOpenDialog + fdoForcePreviewPaneOn = crash on some images](http://stackoverflow.com/questions/40965443/w10-delphi-seattle-tfileopendialog-fdoforcepreviewpaneon-crash-on-some-im) – whosrdaddy Apr 27 '17 at 04:41

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