As you requested:
1. Winver reports my version is "25H2 (OS Build 26200.7019)". This is Windows 11 Home.
2. After the hotkey problem appears, when I invoke the hotkey, the Windows cursor very briefly flashes the blue circle icon next to the pointer, like I see when I do something that takes a...
Windows Update installed the 25H2 update (10.0.26200) last week. Ever since then, the hotkey (Windows Key-Shift-S) for Windows Snipping Tool breaks after several uses. The "Repair" option under the app "Reset" menu does not work. But a "Reset" of the app or a reboot will fix the problem ...