Check your spam folder first, then write to me.
Try to download it with another browser, then write to me.
All updates inside the Maya version are free. The tool is constantly being optimized and new features are added. You will receive these updates by mail for the purchased Maya version. Rigger for each version of Maya is purchased separately. If you haven't received an update after the release, then write to me.
Unfortunately Maya LT doesn’t support 3rd party plug-ins.
There are duplicate objects in the reference file. Open the scene and press 'Rename Duplicates'.
Re-create it in a new clean scene.