If you have updated to 3.6.2 and are still having issues with settings not saving or hardware not being detected, please try uninstalling and doing a clean install. If this still does not help. Please send us your PC specifications, including OS, Hardware and the Logs which you can find in the following places:
C:\Program Files (x86)\NZXT\CAM\Logs
By uploading them to a file sharing service and posting it here so we can verify any logged issues, or try to reproduce the errors.