The Patch Tuesday updates for the last few months have quietly rolled out a new UCPD driver. This new driver by Microsoft is seemingly intended to block default app switches by Registry hacks.
Kb5035853 RSS
Microsoft released Windows Patch Tuesday earlier today. Security fixes aside, the company has confirmed that the "0x800F0922" error when trying to install KB5034765 has been resolved.
Microsoft has released Patch Tuesday updates for Windows 11 (KB5035853, KB5035854). You can download them from Windows Update or get them from MIcrosoft Catalog if installing on an offline machine.