Uninstalling Rhino 5 RHI Plug-ins
Problem
Plug-ins that use the Rhino RHI installer do not have an automatic uninstall.
Applies to
Rhino 5 plug-ins installed using the built-in RHI installer engine.
Solution
Manually remove the plug-in's folder. The plug-in may be in up to three default folder locations.
Find the AppData location (Location 1)
Close all Rhino applications.
Go to Windows Explorer.
In the address bar type %APPDATA%.
There should be a long list of folders. Go to McNeel > Rhinoceros > 5.0 > Plug-ins.
Find the folder that contains the name of your plug-in and delete that folder.
Find the Common Files location (Location 2)
Close all Rhino applications.
Go to Windows Explorer.
Go to the C:\Program Files\Common Files\McNeel\Rhinoceros\5.0\Plug-ins.
Find the folder that contains the name of your plug-in and delete that folder.
Find the additional Common Files location on 64-bit systems (Location 3)
Close all Rhino applications.
Go to Windows Explorer.
Go to the C:\Program Files (x86)\Common Files\McNeel\Rhinoceros\5.0\Plug-ins.
Find the folder that contains the name of your plug-in and delete that folder.
Note: Once you restart Rhino, there may be an error at start-up, but it will be a one time message only.