Missing Menus

Hi, all I keep getting below and more, ive tried registervraymenus() but this does not do anything, any ideas?

Im using Max 2021, windows 10, vray 5.20.02

It was working fine the other day, anyone know how to fix and why does it happen in the first place?

Thanks

Missing:VRayProperties 'Vray

Hi you could add them manually. Go to Customize-Customize user interface. After that watch this:

3dsmax_2022-02-25_16-07-15.gif

Thats great thanks, but why does this keep happening?

Hi there is another thread with the same issue:
There one of our developers has done a more in-depth analysis of the issue.