Updating virus definition files
Of course, if your computer is severely infected, you may have to resort to an Antivirus rescue CD from your favorite security company.
Fortunately for most of us, many of the antivirus companies provide offline virus definition signatures so you can download them from another computer and then manually install the updates on computers with a limited or no internet connection at all.
While it might be fine for most users, letting your antivirus package update itself every few minutes isn’t great if you have a very small limit on your internet connection or it’s not very fast and constant updates are eating up your bandwidth, such as when using a mobile dongle on your laptop for example.
It’s also true that if you disable the updates or have computers that are constantly offline and not connected to the internet for long periods or at all, the virus definitions will get badly outdated in no time and your computer becomes more vulnerable.
Follow the steps below to learn how to do it manually on the offline machine.
When this happens you will also get a pop-up notification saying ‘But sometimes you need to update virus definitions on a computer which has no Internet access at all.
Such computer can still get infected from the external devices like USB flash drive or CD/DVD.
From their own computer, users can also perform the task of updating virus definition files.
By default they download files from their Ivanti core server.