2.8 UI missing all menus, cannot interact with Blender at all I'm on Win10 at work, purged everything Blender related from my PC, all files, cache, settings, registry, everything. Updated Nvidia drivers. Still getting this weird issue on a fresh 2.8 (official) install that 90% of my UI is not there and I cannot interact with the program at all. Any ideas what could possibly cause this? A few days ago this was still working fine :\
Ok so apparently something got messed up with the PYTHONPATH environment variable and Blender wasn't able to properly locate the python modules it needs to run. After fixing the environment variables, Blender is running fine again. Crazy stuff