Hi AL-Yankee,
If you are referring to windows inbuilt messenger please follow the below given steps
- In the run box type appwiz.cpl
- In the left Pane, Click on Add/remove windows components
- Under Components uncheck all the boxes except Windows messenger
- Click on next, wait for the completion of the wizard and click on finish
- Restart the computer.
Please revert back for further assistance
Thanks!