How to turn off message Your current security settings put your computer at risk Click here to change setting?

I run ie8 on windows 7 and since i’ve chosen custom level in security settings and made few adjustments, i get that annoying message above everytime i click on a web page. How to get rid of it?

We have a Anti virus program trying to start on our computer, other than McAfee Security Center, how do delete?

Alpha Anti virus is trying to install on my system when I already have McAfee Security. How do we delete this new program?

Can the security x-ray at the airport mess up or destroy a computer printer?

I am going across country for college, and I want to take my computer printer in my carry-on luggage, and I was wondering if the x-ray screening at the security gate messes it up. It is an hp ink jet printer, if that helps any.
Thank you.
I am going across country for college, and I want to take my computer printer in my carry-on luggage, and I was wondering if the x-ray screening at the security gate messes it up. It is an hp ink jet printer, if that helps any.
Thank you.

It is small enough to fit in my carry on luggage and falls under the guidelines for restrictions.

In computer Security what are ETANS? I am trying to research for my job?

I am going for a Computer Analyst Position and they are asking if I have experience with ETANS? Related to security Import and Export