You will need to switch Pie Menu off manually.
(1) Close SketchUp
(2) In File Explorer, navigate to %LocalAppData%/SketchUp/SketchUp 2023/SketchUp
(You can copy and paste the path above into the File Explorer breadcrumb bar.)
(3) Make a backup copy of the PrivatePreferences.json file.
(4) Then open PrivatePreferences.json with a good code editor like Notepad++ or Visual Studio Code.
(5) In the Extensions section, change the value for Curic Pie Menu extension to 0 (0 is off, 1 is on)
(6) Save the file.
(7) Reopen SketchUp