@abctax55 hmm... maybe this is why one PC cannot see ANY 2018 Lacerte clients here on my network, while others are just fine. Probably pulled out / mangled the patch cable ...again. 😑

My issue fix was found here, in this Thread - corrupt (?) OPT00x.Wx file

First x is the Workstation/User (F10 to determine) and second x is the Year