Windows Defender Recognize Excel-dna packed xll as virus

Skip to first unread message


Apr 24, 2022, 12:08:48 AMApr 24
to Excel-DNA
Windows defender just deleted my addin build with excel-dna 

Vladimir Kozlov

Apr 25, 2022, 2:43:56 AMApr 25
to Excel-DNA
the same with mine. surprisingly, for more than a year on the same PC, he did not recognize xll files built with excel-dna as viruses, but now things changed?

воскресенье, 24 апреля 2022 г. в 07:08:48 UTC+3,

Govert van Drimmelen

Apr 25, 2022, 5:20:35 AMApr 25

What version of the Defender signatures, and of Excel-DNA have you got?

You can try to update your project to the preview of Excel-DNA version 1.6.0.


I haven’t had problems from Defender for a while:





You received this message because you are subscribed to the Google Groups "Excel-DNA" group.
To unsubscribe from this group and stop receiving emails from it, send an email to
To view this discussion on the web visit


Vladimir Kozlov

Apr 26, 2022, 3:39:05 AMApr 26
to Excel-DNA
I use Microsoft Essentials, version 1.363.950.0
In Excel DNA Proj I use this:
  <package id="Excel-DNA" version="1.5.1" targetFramework="net472" />
  <package id="ExcelDna.AddIn" version="1.5.1" targetFramework="net472" />
  <package id="ExcelDna.Integration" version="1.5.1" targetFramework="net472" />
  <package id="ExcelDna.IntelliSense" version="1.5.1" targetFramework="net472" />
  <package id="ExcelDna.Interop" version="14.0.1" targetFramework="net472" />
  <package id="ExcelDna.Registration" version="1.5.1" targetFramework="net472" />
Thanks much, Govert for your answers and project!

понедельник, 25 апреля 2022 г. в 12:20:35 UTC+3, Govert van Drimmelen:
Reply all
Reply to author
0 new messages