In order to make absolutely sure that Trifor has not infected your computer, you have the following options:

1. Check the computer with Panda ActiveScan, Panda Software's free, online scanner, which will quickly detect any possible viruses.
2. Carry out a full scan of your computer using your antivirus, after checking that it is updated.

If Panda ActiveScan or your antivirus detects Trifor during the scan, it will automatically offer you the option of deleting it. Do this by following the program's instructions.

Finally, in order to restore the original configuration of your computer, follow the instruction below:

• Delete the entries that Trifor has inserted in the Windows Registry:
  HKEY_CURRENT_USER\ Software\ Microsoft\ Windows NT\ CurrentVersion\ Windows
  load = %sysdir%\widows.exe
  HKEY_LOCAL_MACHINE\ SOFTWARE\ Microsoft\ Windows\ CurrentVersion\ Run
  interneter = %sysdir%\interneter.exe
  HKEY_CURRENT_USER\ Software\ Microsoft\ Internet Explorer\ Main
  Start Page = http://www.xxxxxx.com
  Where xxxxxx is the address of the web page Trifor is downloaded from. 
• Restart the computer.
• In order to make sure that Trifor is completely eliminated from your computer, carry out a full scan of your computer using Panda ActiveScan or your antivirus.

Additional notes:

• For instructions on how to modify the Windows Registry, click here.
• After deleting this malware by following the specified steps, if your computer runs Windows Millenium, click here to find out how to eliminate it from the _Restore folder.
• After deleting this malware by following the specified steps, if your computer runs Windows XP, click here to find out how to eliminate it from the _Restore folder.

In order to keep your computer protected, bear the following tips in mind:

• If you have Internet Explorer (version 5.01 or 5.5) installed, update it from Microsoft's website (www.microsoft.com).
• Install a good antivirus in your computer. Click here to get the Panda antivirus solution that best suits your needs.
• Keep your antivirus updated. If automatic updates are available, configure your antivirus to use them.
• Keep your permanent antivirus protection enabled at all times.

For more detailed information about how to protect your computer against viruses, click here.