Previous discussions:
https://community.notepad-plus-plus.org/topic/20315/the-installer-doesn-t-detects-application-location-anymore https://community.notepad-plus-plus.org/topic/18876/bump-previous-installation-not-detected https://community.notepad-plus-plus.org/topic/15578/previous-installation-not-detectedExisting issue
https://github.com/notepad-plus-plus/notepad-plus-plus/issues/7946If you go comment on the github issue, upvote it, etc, it increases the visibility of that issue, and maybe one of the Developers will look into it.