> What do I do about this error without having to reinstall windows?
Start by providing some relevant information so that someone *may*
assist you: How to ask a question
Information such as:
a) The edition of Windows installed and it's Service Pack level
b) When does the error occur ... during the download or installation of
c) How long has this updating issue been happening ?
d) The *last* 50 or so lines of the WindowsUpdate.log after *first*
trying another attempt at updating:
How to read the Windowsupdate.log file
The remote server machine does not exist or is unavailable
Either there is a 3rd party firewall being used, there is some 'thing'
on the local network blocking access to the update servers, the update
servers are temporarily unavailable, or, there's malware present on the
system blocking access to the update servers.
"Security updates should *not* have *non-security content* prechecked"