NGC engine failed to complete install live updates on my desktop OptiPlex 70720 running Windows 11 pro""
you can do a reinstall , get the nrn tool ( sounds right the nrn tool but could be off)
could also see if the auto fix will fix that, sometimes when you do a update or reinstall might get some issues
in classic mode top right click help , box appears on left click get support
if that shows clean than reinstall
run live update until it shows everything is up todate ( will take a few updates), might get a few restart request also
apply the patches , sometimes the patches take a few times to run fully
when thats all good restart and run live update again , may see a patch to apply , and than run the auto fix
should be set from there just go thru the settings and change to what suits you
I would remove only: step 5 option 2
https://support.norton.com/sp/en/us/home/current/solutions/v60392881
And re-install with the direct link norton.com/cspn360
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