Need anti-virus for lab with no Internet

Can someone recommend a good free anti-virus and how I can have it updated as well even though there is no Internet in that lab
brian ramdhaniCT Technician Asked:
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Danny ChildIT ManagerCommented:
Personally I find BitDefender quick and easy to install, and lightweight in terms of resources, but most of the major players will install in this way.

But, to be honest, without the internet, your lab's pretty safe.

However, if the point of the lab is to test compatibility of course, then you'd want to have it there just to simulate the real world.

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Thomas Zucker-ScharffSolution GuideCommented:
Not so safe.  One infected USB stick could bring the whole thing down.  If it is a windows 7 lab, I highly recommend a paidd solution, Faronics DeepFreeze.  The best part about this app is you can set it so when ever the computer reboots it boots back into a state you select.

For instance,
you setup a pristine machine
install faronics deep freeze on it
machine gets infected or someone fools with it and messes something up or deletes a file
reboot machine and you are back to pristine

We use it on all our lab computers (used to use Microsoft Steady State before windows 7).
any antivirus will need the internet to update it's virus lists regularly - so without internet, you would need to download these yourself, and install them on the lab PC - which seems not practical to me
the most practical suggestion is from Thomas imo
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brian ramdhaniCT Technician Author Commented:
ok well this is for a school and i think students store their documents on it.....

unless i tell them to store the documents on a flash drive

is there any free alternative to deep freeze??? cause i doubt they will purchase the software.....
Thomas Zucker-ScharffSolution GuideCommented:
There is a windows 7 compatible version of steadystate. Check the ms site. There is also a way to get steadystate working for 7 (I used both alternatives for a while)
brian ramdhaniCT Technician Author Commented:
These computers still running Vista
should work
Thomas Zucker-ScharffSolution GuideCommented:
Windows 7 solutions generally work on Vista.
brian ramdhaniCT Technician Author Commented:
I read that steadystate is no longer available
Thomas Zucker-ScharffSolution GuideCommented:
That is true, but a quick search found a download

The download stalled on me so I  looked a little further and found this discussion

In which one of the comments points to this article:

Several people seemed to like the Returnil software.
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