Right-Click and select "Run as Administrator"
In the opened console, type 1 (for the first doctor command listed) and hit Enter
The tool will attempt to cleanup registry and remove the left over keys
Right-Click and select "Run as Administrator"
In the opened console, type 1 (for the first doctor command listed) and hit Enter
The tool will attempt to cleanup registry and remove the left over keys
See an example of this fix here
Bug while installing new version (old unisnstalled) · Issue #1045 · pyrevitlabs/pyRevit