Me too.

I dropped trying to figure out issues with version 10, since I purchased the Apprentice HD which should have been for 11. Though the version 10 install issue is mystery, I needed not be running under the freeby Apprentice license for 11 that would be expiring in Sept. There was some kind of glitch in the system that issued Apprentice HD 10 licensing, but this was corrected and I'm please with quick response given t the issue and very pleased so far.

When i try to generate a non-commercial license at
http://license.sidefx.com/get_nc_license.php [license.sidefx.com] i get:

Error
Invalid machine name: katisss-PC

hm, its the name i get form sesictrl -h. Rename my pc?
EDIT: moving existing license files helped