No menu appears with Win start icon right click

Ver 23H2 (OS Build 22631.4751). Computer (Lenovo Legion Slim 5), approx 1yr old, woke up from overnight sleep, unable to locate outlook pst file. Panic ensued. Attempted win start icon right click to begin troubleshooting, no menu. Eventually did a system restore to a week old restore point. Outlook functionality restored, everything appears normal, but still no menu appears with win start icon right click. Left click works. Clicking on individual links in WinX folders works. Win start right click does open the quick access menu in safe mode. Have attempted all the fixes I could find, listed below, without success. Other suggestions welcome.

Restart Win Explorer from task manager
Replaced WinX folder contents (Group1, Group2, Group3 folders) with same folders from another win11 working computer
From task mgr, end desktop windows manager process
Clean boot, with only windows services
Tried different mouse, plus these:

you can try this. worked for this user and would be a simple solution if it works for you too:

(install a different language pack, reboot, reinstall or reapply your language, reboot)

What menu mods do you have on your system?

Tried the language switch...no go, but thx.

Menu mods?...not sure, the only thing I can think of is the classic start menu mod with explorer patcher.