Failed to connect services

For the Service in Vista:
Boot into Safe Mode.
Control Panel> Administrative Tools> Services> right click on System Event Notification Service> set startup mode to Automatic. Do NOT attempt to start the Service.
Make sure the Event Log Service is also on Automatic.
Reboot into Normal Mode. The Service should be started.

For the Event Viewer in Vista:
http://www.windowsnetworking.com/art...ows-Vista.html
Please observe the same guidelines for reporting: ignore Warnings, only one copy of recurring identical error.
Copy button is on lower left.