How to Cleanup and Prevent Virus or Spyware

If your current Internet Security program is not effectively blocking viruses or spyware, you can follow the steps below to cleanup and inhibit virus or spyware on your computer:
  1. Ensure that all Windows security patches and updates have been applied (see
  2. Run one or more FREE on-line/on-demand virus diagnostic scans, such as:

    To Detect and Remove:

    Detection Only:

  3. Download, install and run one or more Malware or Spyware cleaners, such as the following FREE programs and utilities:
  4. Install a Spyware preventer as part of an Internet Security package, or a FREE program such as: 
  5. Install an effective antivirus program. If you plan to uninstall your existing Internet Security product (such as Norton or McAfee), do so before installing another antivirus program. Highly regarded antivirus programs that are FREE for personal use on a single computer (and may offer paid stronger versions for commercial/business use) are:
  6.  Consult a free malware removal help forum, such as:
  7. Configure the security settings in Windows as described in Configure Security in Windows.
  8. Install or enable a Firewall, such as the following FREE programs:
  9. Install Microsoft's "Enhanced Mitigation Experience Toolkit (EMET)" at and configure it to protect specific programs installed on your computer. See "EMET Mitigations Guidelines" at
  10. Consider upgrading to the most recent stable and secure version of your Internet browser such as:

To see extensive, independent tests of the effectiveness of security software, go to and/or .

To temporarily disable common Antispyware programs, see the related article below "Disable Common AntiSpyware Programs."  


Good passwords or passphrases should:

Avoid passwords that use:

To test how easily the sequence of characters in your password can be automatically predicted by attackers, you can go to Telepathwords by Microsoft Research.

To check the strength of your password, you can go to Microsoft's Password Strength Checker.  

Warning: When using any password checker, it is advisable to enter only a paraphrase of your password - not all the actual characters.

See related articles and Internet links:

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rev. 04.05.2017