You don't seem to have a third-party firewall installed. You must install one firewall.
It is possible that you're using the Windows XP firewall. That is of course better than nothing but I recommend that you install a more advanced firewall that gives more protection. Windows firewall doesn't eg protect your computer from inbound threats. This means that any malware on your computer is free to "phone home" for more instructions. Remember to use only one firewall at the same time. I'll give you a few alternatives if you want to install a third-party firewall:

These are good (free) firewalls:

You can remove the tools we used.

Now you can make your hidden files hidden again.
  • Go to My Computer
  • Select the Tools menu and click Folder Options
  • Click the View tab.
  • Checkmark the "Display the contents of system folders"
  • Under the Hidden files and folders select "Show hidden files and folders"
  • Check "Hide protected operating system files"
  • Click Apply and then the OK and close My Computer.


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Now that you seem to be clean, please follow these simple steps in order to keep your computer clean and secure:


Stay clean and be safe