How do i delete everything on my laptop?

Hi, Ok I have a dell laptop inspiron E1505, I really need help with this malware or whatever it is ! I didn't have a good virus protection, and at the time of infection a prompt kept coming up something like you can delete this virus but you may lose files, damage your computer or it may not restart! I got frustrated seeing the same thing, so instead of downloading a better virus protector I press yes and my computer shut down on me. It restarted, and then I got the virus protector like a dummy. But now Im getting prompts that say, "___dllc:/windows/system32/lasbemo.dll file image does not exists check this against you diskette!! its a buch off different ones. Im lost, Im not good with computer's if your gonna help I need A LOT of detail. Thanks =) hydroxycut reviews

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Im on IE 8, and could watch videos with no problems up until this morning at 3.00AM I wake up now and its not responding...every time I ran a virus scan, and I had one tracking cookie, which I got rid of. Can anyone help me identify and fix the problem? forex robot

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