I had gpg4win 4.4.1 installed as non-privileged installation (somewhere in %APPDATA%).
When upgrading to 5.0.1 the uninstall of the previous version seemed successful, but installation of the new version failed with:
So it seems the upgrade tried to use the non-portabler path "program files" instead of "appdata". And the directory "C:\Program Files\Gpg4win" does not even exist.

