Windows 2000
- Click Start-> Programs-> Administrative Tools->Services
- Scroll down and highlight "Messenger"
- Right-click the highlighted line and choose Properties.
- Click the STOP button.
- Select Disable or Manual in the Startup Type scroll bar
- Click OK
Windows XP Home
- Click Start->Settings ->Control Panel
- Click Performance and Maintenance
- Click Administrative Tools
- Double click Services Scroll
- down and highlight "Messenger"
- Right-click the highlighted line and choose Properties.
- Click the STOP button.
- Select Disable or Manual in the Startup Type scroll bar
- Click OK
Windows XP Professional
- Click Start->Settings ->Control Panel
- Click Administrative Tools
- Click Services
- Double click Services Scroll
- down and highlight "Messenger"
- Right-click the highlighted line and choose Properties.
- Click the STOP button.
- Select Disable or Manual in the Startup Type scroll bar
- Click OK
Windows NT
Click Start ->Control Panel
Double Click Administrative Tools
Select Services-> Double-click on Messenger
In the Messenger Properties window, select Stop,
Then choose Disable as the Startup Type
Click OK