I have cd and just used same key.Call support and explain the problem they will help you.

I reinstalled 3 times over the last couple months to get around the 1603 error.I used the same license every time with no issue.(On the same Windows 11 computer...

Same Problem.Backup you tax file to another location just in case.Remove TT2023 then reinstall from the CD etc.This will fix the problem and updates will work.