Help.... what does this mean? (Internet problem)?

A windows internet explorer box came up saying this:

Attention! If your computer is infected, you could suffer data loss erractic PC behaviour, PC freezes and creahes.

Detect and remove viruses before they damage your computer! XP antivirus will perform a quick and 100% FREE scan of your computer for Viruses, Spyware and Adware.

Do you want to install XP antivirus to scan your computer for malware now? (recommended)

**Then theres 2 buttons**

OK Cancel

this came up last week too.. its a small box that came up and im not sure what it is....

Help.... what does this mean? (Internet problem)?viruses

there's a certain type of virus that tries to get u to download a fake antivirus which could result in viruses taking over your internet browser, so be careful and not try to download it

Help.... what does this mean? (Internet problem)?antispam

Hi there... I just cross this web site.Look like wht u looking 4....http://adware-spyware-uninstall.blogspot...
1. Scan your computer with a complete scan with the FREE Dr.Web CureIt! Utility

http://www.freedrweb.com/cureit/

2. Run the vundo and combo fix

http://securitynewsfromthenet.blogspot.c...

3. Run the anti spyware remove programs spybot