navmesh frozen forever

it usually takes 2 seconds on this scene
not anymore
same after relaunching the editor, corrupt project or maybe nav file
you guys know how to de-corrupt this?

6447588--721770--upload_2020-10-22_16-26-34.png

i don’t see navmesh, i know you’re somewhere

6447597--721773--upload_2020-10-22_16-28-28.png

i guess the task manager is the new way to quit unity
6447606--721776--upload_2020-10-22_16-30-17.png

cause: height mesh = true
i thought they fixed that old piece of garbage