Issue with 6.27 and 6.28 won't initialize license manager

Hello, I was getting the error msg “Unable to find a plug-in for this file type” on Windows with the 6.27 Rhino6 release when trying to save as an stl. and I saw a bug listed here so I tried getting the 6.28 version and now I’m getting this exception message:


Any suggestions?

Never mind, read some prev posts and a Repair did it!

If you’re looking for this: Repair wasn’t an option after right clicking but after selecting “Change” it was an option in the pop-up

4 posts were split to a new topic: Missing plug-ins?