If you see Windows could not connect to the System Event Notification Service error on VISTA, Windows server 2008, or Windows 7, you can try follow these steps to get it resolved.
- Click Start, click All Programs, and then click Accessories.
- Right-click on the Command Prompt and then select Run as Administrator.
- Once the Command Prompt has opened, type following command and then press ENTER.
netsh winsock reset
- Close the Command Prompt and restart the machine.