As always happens, the answer is more simple than the question.
The problem was the password for IUSR_WSUS. Some virtual folders had an
older password. That never affect the operation of the site until WSUS was
installed.
Thanks
[quoted text, click to view] "diop" wrote:
> Put yourself to the wsus administrators group see computer management
> (local) of your wsus server- local users and Groups - Groups
>