Well,
After repeated failures, I connected the servers to the organization WSUS server.
Check for updates.
Instead of 3 updates, there will now be 11 updates.
Install updates. Everything failed.
I start installing one by one. First updates to dotNet (KB4481480 & 1).
The updates are successful!
Go ahead, monthly security updates (from 07-2018 to 01-2019) - failed.
Trying one by one, succeeds.
Except for the latest update (KB4480970), it failed repeatedly
CBS file log attachment.