My internet is extremely slow for no apparent reason?

[Penny]

Possible: virus, malware, tracking cookie, add on, plug in, or change in Internet speed via provider.

Try: Another virus scan with different program (no virus protect catches all viruses) If you are in Windows environment and have trouble with windows update, that's a red flag. Try Windows update, troubleshooting, and fixit programs. Could be a browser problem if you are using IE. Try starting without add ons. Could be errors in your registry. Try checkdisk. Are you able to restore the computer to an earlier date? If not, red flag.