So this is something odd. I was renewing my license on my computer. I accidentally typed the last digit wrong and it gave me an error (as expected). I then typed it correctly but I added 2 extra digits just in case to the end just to see what happens. But it still activiated... which is odd. But on the app, the correct license was showing with out the 2 extra digits. So it seems that even if you add extra digits to the end of the license, as long as everything before is correct, the app will accept the license.
WR devs, can you confirm?
Best answer by TripleHelixView original
It’s best to ask support as the developers don’t visit the community that often, it does sound odd to me as well. Webroot Customer Service
Note: When submitting a Support Ticket, Please wait for a response from Support. Putting in another Support Ticket on this problem before Support responses will put your first Support Ticket at the end of the queue, it should be 24 to 48 hours but could take a little longer because of COVID 19.