Has "Pure virtual Function called" error occurred using Delphi 2009? How to resolve?

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Whenever I am debugging a console application by Delphi 2009 (using the "Attach to Process" feature) an error message appears in the IDE saying "Pure virtual Function called".

When I click on the OK of the message, Delphi closes itself.

Since Delphi closes after the message, and the error occurs on random lines of code, I suspect the problem is not related to the program itself.

Has anyone ever come across this problem? Someone knows how to solve?

  • Already tried with other versions of Delphi ?

  • @Victorzanella, here at the company we only have licenses for Delphi 2009.

  • Has all 2009 updates ?

  • @Victorzanella, from what I saw, yes. He accuses having up to Update 3 and 4.

  • This problem happens independent of the operating system version and platform (x64, x86)?

  • @Victorzanella, this specific error only occurred in the current PC configuration (Windows 10 x64) debugging an x86 application.

  • can do the test in a windows 7 x64 ?

  • Not yet. I’ll try a virtual machine. The problem is that the Delphi license is checked online. To do this test in windows 7, maybe I have to resort to the "Brazilian way"... :(

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    If the license is for Appwave, it’ll be quiet. I asked to do a test on other versions of Windows as I had a similar problem after installing some package on Windows 8.

  • I’ll try. As soon as I have good news or bad news, I’ll let you know.

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  • I saw this link, but it doesn’t seem to have to do with my case. The application works normally. Even this occurs with any program I debug through "Attach to process".

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