I trust those music downloads are not copyrighted or pirated? Also, if you are using P2P software to download the music what firewall, anti-virus and anti-spyware protection do you use? P2P downloaded files are a major source of virus infected files.
If you are using Windows, (you didn't say which OS you are using), try rebooting into Safe Mode and run your anti-virus and anti-spyware utilities from there.
Instructions for booting into Safe Mode here;
When I turn on my computer, it will take forever to move the cursor and when it does and I click some folder to open the screen will freeze. I think my computer got a virus. I don't mind swiping everything out and reinstall the softwares but I can't even do that since the computer would just freeze whenever I try to click something. Is there any easy way to fix this? My computer's pretty old but it's good enough for me since I only use it for the internet and music downloads. So I don't want to spend any money to get a new one although my friend said it's time to get a new one. Please help!