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Thread: Win 10 + "This program stopped working" when closing a TForm



Permlink Replies: 1 - Last Post: Jan 7, 2016 11:25 PM Last Post By: Bernd Maierhofer
Bernd Maierhofer

Posts: 161
Registered: 9/27/99
Win 10 + "This program stopped working" when closing a TForm
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  Posted: Jan 7, 2016 11:14 PM
My problem is wierd + I am grateful for every assistance.

Given: A Delphi (D2006) app on Win10. The app creates and shows TForms and
Closes/Frees them. However, if the forms arae is big enough (about
Bernd Maierhofer

Posts: 161
Registered: 9/27/99
Re: Win 10 + "This program stopped working" when closing a TForm
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  Posted: Jan 7, 2016 11:25 PM   in response to: Bernd Maierhofer in response to: Bernd Maierhofer
My problem is wierd + I am grateful for every assistance.

Given: A Delphi (D2006) app on Win10. The app creates and shows TForms and
Closes/Frees them. There is no problem with the main form, but with all
subsequently created forms. If the form´s area is big enough (about more
than 200x300 pixels) I get "This program stopped working". If the form is
smaller, closing/freeing works, if I size the form, the error occurs.

Additional info:
This is true for every other form too.
The app runs without problems on a lot of other systems and a lot of OSs.
I tracked the code and the error must occur somewhere in the RTL - outside
the scope of my code.
I was not able to verify if this occurs with other apps too.
I reinstalled the software to verify integrity of code.

My questions:
- The error is triggered by the OS, not by the RTL. When can such a error
arise?
- Any idea what may be the cause?
- Maybe a virus? Or a problem with memory/graphics driver?

As the machine is quite a mess, the customer will reinstall Win 10 and the
software. I assume, that the problem will go away with this, but I would be
glad to have a least a clue.

tx Bernd
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Correct Answer (10 pts)

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