TS742 said:
I've tried some anti-virus programs, but they won't work without
Internet access. The computer I'm using doesn't have Internet access.
What I could do is download updates to a flash drive from an Internet
computer, and then put it on my computer. Is there a way to do this?
I've had trouble with AVG, Webroot, and MSE.
I've tried half a dozen of the major AV products and they all function
*without* Internet access. What they won't do without Internet access
is to update their signature database and check for a later version of
the program. Well, obviously they can't check for updates if they
cannot connect but they still run using what program version is
currently installed and using whatever version of the signature database
is still available to them.
The exception is if you install an AV program on a stand-alone
(unconnected) host and use that program beyond its expiration. Many AV
programs let you use a program version for a maximum of 12 months. They
don't want you using old heuristics or old code which may contain
vulnerabilities or weaknesses. Their intent is to provide the latest
protection, not something that was okay a year ago. If you want to
continue using their product and the old version has expired then it's
up to you however you want to obtain the new program version and install
the new version. The old expired version may refuse to run because you
are trying to violate the license which says you only got 1 year's worth
of use from that installation instance.
Many AV vendors permit you to download their signature database update
to wherever you want. You download a file and then have the existing AV
program read that file to update its own database. As for program
updates, you just download their program to get whatever is the latest
version of it, download it to wherever you want, and install it when you
want on your stand-alone host.
http://www.avast.com/en-us/download-update
http://www.avira.com/en/support-vdf-update-info
http://www.avg.com/us-en/download-update
You can also read their forums for help. Often a user will complain
that the update server is down or they cannot reach or connect to it and
they are concerned about using an old signature database. The replies
will indicate how to download the update file.