Hi C. Johnson!
There are quite a few infections (
malware) floating around, which have varying names, such as, XP Security 2010, XP Security 2011, Internet Security 2011, Vista Security 2011, etc. They are known as
fake anti-malware alerts and "
scareware." They can be acquired from just about anywhere, including emails from people you know. As another poster here has mentioned, the sole purpose the cretins who create this stuff have is to try and scare a computer user into believing their computer is infected. Then, they invariably pretend to scan your system and tell you there a number of infections
(which is not true), and offer to clean up your machine for a price.
NEVER, EVER give your personal financial information to such people! Your computer will
NOT be cleaned, but your credit card or bank account will certainly be cleaned...
as in OUT!
If you have not already done so, I would recommend you download the
free version of
Malwarebytes Anti-Malware from their website here:
http://malwarebytes.org/. To do this on your infected computer, you need to reboot in
Safe Mode with Networking. This is accomplished by
repeatedly pressing the F8 key while the machine is booting up. After the screen displays the choices to select from, use the arrow keys to highlight
Safe Mode with Networking & press
<ENTER>.
This should allow you to access the Internet and download the software program.
(If not, then try downloading it onto a USB flash drive on an uninfected computer and run the program from the flash drive). Make sure you download the
FREE version, not the paid version.
(The paid versin has real-time scanning and will possibly conflict with your major antivirus software).
AFTER updating the program's database (click on the
UPDATE tab), run a
FULL scan with the Malwarebytes program on
ALL your drives. Once the scan completes, an on-screen report will be displayed showing what infections were found. You can save this log. Any infections Malwarebytes (
MBAM for short) finds will be quarantined in the
Quarantined area (there is a tab which says this on the MBAM screen).
You can the delete the infected items from the Quarantine area. If you have any residual problems, then you may need to run another full scan, and also perform a
System Restore to a point
PRIOR TO the day and time you first became infected.
I would also recommend you check out the MBAM forums at
http://forums.malwarebytes.org/. You can sign-up
(free) and post questions you may have on just about any topic. There are a number of various forums on the site in which to post questions, depending on what the subject is you need advice on, or look at the responses other have received to their inquiries.
Good luck!