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How To Disable Windows Messenger Service

By Mary Landesman, About.com

The Windows Messenger Service can be exploited by spammers and used to dish up unwelcome advertising on unsuspecting users. The service is also victim to a critical exploit that could allow malicious attackers to remotely run code on vulnerable systems. Disabling the service will prevent both the pop-ups and the exploit.
Difficulty: Easy
Time Required: 5

Here's How:

  1. Depending on your operating system, either click Start | Control OR click Start | Settings | Control Panel
  2. Double-click Administrative Tools to open.
  3. Double-click Services to open.
  4. Double-click Messenger to open.
  5. In the Startup type list, click Disabled.
  6. Click Stop and then click OK.
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