Why do these nasty pop-up's keep showing up on my computer?

These gross, adult content pop-up's keep popping up on my computer. I don't know why! And this "security alert: networm-i-Virus@fp" keeps popping up too. Why is this?!? I'm going to get in trouble!!!! How do I keep this from happening? Its gross and weird!

Why do these nasty pop-up's keep showing up on my computer?nortan antivirus

You should do a virus and spyware scan, (AVG, Ad-Aware), then stay away from pr0n sites, as this is the only place you get adult pop-ups from!!!

Why do these nasty pop-up's keep showing up on my computer?nortonantivirus

Follow these steps and it will remove almost all viruses and malware/spyware from your computer. It will also make your computer run faster.

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鈥 know this procedure looks long, but much of this is explanatory text to help less experienced people.

鈥lease do not cheat by skipping any steps. You are only hurting yourself if you do. And you will waste more time. The goal is to get your PC fixed. Completing the steps in this generic guide may or may not resolve all of your malware problems, but in all cases it gets your PC into a known state to help make it easier for me to fix your problems. After completing all steps, if you still need help, please send a new question. You may have a problem trying to run steps in safe mode on user accounts that have limited priviledges. This will only be on Windows 2K, XP, %26 2003 systems. Limited user accounts will not show when you boot into safe mode. You have two options, run the steps in normal boot mode which may not work to remove malware, or you can temporarily change the user account to an admin account and then complete the steps.