[Issue 20489] Installer deleting files after install

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20489

--- Comment #5 from Rainer Schuetze <r.sagitario at gmx.de> ---
(In reply to Simen Kjaeraas from comment #3)
> Conceivably this could be an ExecWait, or uninstall.exe's existence could be
> tested before the copying of files starts.

Please try the win_release artifact fom
https://dev.azure.com/dlanguage/Installer/_build/results?buildId=7719&view=artifacts&type=publishedArtifacts

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