Help! I have a trojan on my computer!?

Ive tried so many free virus removal stuff but nothing seems to work! i have a lot of pop ups opening up and some of them say " you have visited adult site which is harmful to your relationship and your career" im a bit suspicious because

1. i didnt visit any adult sites

2. im on a private computer

3. no computer programmer will tell you about your relationship when you have a problem with your computer!

i also noticed a few misspelled words, and thats raising my suspicions even more! this is one of the warnings that come up on my computer

"your system is probably infected with the latest version of spyware.cyberlog-x.

type: spyware

infection length: 266,129 bytes

risk:high

systems affected: windows 95,98,2000,NT,2003 server, windows XP, windows vista

behavior: spyware.cyberlog-x is a spyware program that moniters user activity, logs keystrokes, and tracks websites visited.

symptoms: low internet connection speed, low system performance, security center alerts, strange pop up windows

Help! I have a trojan on my computer!?antivirus

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Help! I have a trojan on my computer!?computer

I am having the same problems. I am so glad I found these answers, but I am so afraid to use the wrong program. Can anyone else verify the AVC and other program in the previous message?
Try this link for trojans. Download at the top and follow instructions.