Cannot Update SC2

Hi:

Have been trying to update SC2 for months now. Update crashes after start. Diablo updater works fine?
On Intel i Mac 2019 Running Sonoma Mac OS.
AV is off. Scan and repair crashes, so that is worthless.

Restarting Battlement or the Mac does nothing…no help.
After months of trying I am about to give up.

No help on these forums either.

Thanks for any assistance.