Install wouldn’t start after download until I disabled Mode S. Mode S requires Microsoft Store approval of an app and apparently Norton is not “approved”. The disable is permanent, and allows any app to be installed on a Windows PC.:
Compatibility of Norton with Windows in S Mode
https://support.norton.com/sp/en/us/home/current/solutions/v122058656
Download and install your Norton device security
https://support.norton.com/sp/en/us/home/current/solutions/kb20090708112600EN
All: The Microsoft Store app for Norton DOES support S mode in Windows.
And yes, once out of S mode its permanent. The misnomer that it allows any app to install on a PC is also false. Windows 10 settings are shown below and are user configurable:
Windows 11 app settings:
SA
@Harold_Childers Can we assist further? Just following up with the thread to see what your status is.
SA
Norton installed when I left Mode S