Rhino 7.5 and LBT legacy

Hi everybody,
I’ve recently updated Rhino to the latest version (7.5.21100.3001). Unfortunately, after the update, the legacy version of the Ladybug tools stopped working so I can’t open my old definitions.
The errors are in the Ladybug_Ladybug and Honeybee_Honeybee components. The insects don’t fly, so the other components can’t work. I’m attaching a screenshot of the error messages. I hope you can help. Thank you

I have installed 7.6 (SR Candidate) and LB+HB Legacy work fine on my system.
-A.

I tried to update to the 7.6 SR Candidate but i didn’t solve. I’ve even tried to uninstall and re-install, but nothing changes
I’m wondering if there is a bug in my Grasshopper, because it doesn’t load all the ribbons (ex. kangaroo or lunchbox) and, if I try to type a command, this happens: