Did they have you do the FORCE install? 

Have you tried the following steps?

1. Use Windows to Uninstall 2023 Lacerte Tax (this does not affect you data.)

2. Shut down the computer

3. Start the computer and then run 2023 Lacerte Web Setup (or use Tool Hub)

I hope support has helped you try all of the above and that is a repeat of what you know. In that case ignore and understand I feel the pain of your frustration.