"When it's done"

That is my problem, update never finishes.  Without being able to complete the update I am stuck at R8_51 in Pro 2021.  I have even downloaded and run the webpatch, multiple times.  I cannot "roll back" the updates.

I even tried downloading and installing a fresh install on a computer that never had quickbooks on it - ever.  No matter how many times I attempt to update it I am at the same stumbling point. My plan was to get a completely updated version on that computer and then move it to the computer I use, but alas, no joy in mudville.

Why can't QB provide a fresh copy of the program with all updates already installed?