The App Manager is working for me now after uninstalling/reinstalling it.
Take a look at the detailed steps that tech support sent me in another
thread and see if going through the full process makes a difference
YouTube/optodata
DS365 | Win11 Pro | Ryzen 9 3950X | RTX 4070 Ti | 32GB RAM | 10TB SSDs | 5K+4K HDR monitors
Canon Vixia GX10 (4K 60p) | HF G30 (HD 60p) | Yi Action+ 4K | 360Fly 4K 360°