Had this happen to me the other night. Had 4.17.6 and 4.17.1 installed on system, one as "This user only" and other
" for all Users" .. Apps& features showed a single instance of JMRI? but I had multiple icons on desktop. When I removed/Uninstalled JMRI 4.17.6, the App&features then showed a JMRI 4.17.1 as present ? and I could not remove it.? Going thru registry cleared up that mess.
If you had to manually clean up the registry, you should follow the instructions below:
JMRI Cleanup Windows
If you may have multiple JMRI versions installed, possibly one for "All Users" and one for "This User only".
- Go to Control Panel-> "Programs and Features" and keep uninstalling JMRI, refreshing (F5) every time until all are gone.
- Then navigate to "C:\Program Files (x86)\" and delete any JMRI folder if present.
- Then navigate to "C:\Users\<yourusername>\AppData\Local\VirtualStore\" and delete any "\Program Files (x86)\JMRI" folder if present (you'll need to enable display of hidden files/folders).
- **Don't delete** "C:\Users\<yourusername>\JMRI\". It has your data.
- Then reinstall JMRI for "All Users".
Dave in Australia