Windows could not connect to the System Event Notification Service service.

Anonymous

Every so often, 1 in 50, my laptop is very slow to start-up I get the "Please Wait" before the login screen. Once I do log in I get the error:

"Failed to connect to a windows service.

Windows could not connect to the System Event Notification Service service. This problem prevents limited users from logging on to the system. As an administrative user, you can review the System Event Log for details about why the service didn't respond."

Aero seems to be disabled also and cannot be fixed without a restart. This problem is getting to be bothersome and I need to know if it could be hardware related. Thank you in advance for you help.

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Answer accepted by question author

Anonymous

This works!!!

Reset the Winsock Catalog

Open a Command Prompt as an Administrator.
Type “netsh winsock reset” (without quotes) and press Enter.
Restart the computer.

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Answer accepted by question author

Anonymous

Hello Tim Wilson, PMP,

Thank you for the response on this. Since you are on a domain with this issue, please repost this question at the link provided below at the Microsoft TechNet Forums.

Microsoft TechNet Forums:

http://social.technet.microsoft.com/Forums/en-us/categories/

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Anonymous

Hi,

Since when are you facing this issue?

Did you make any software or hardware changes to the computer recently?

Check if the System Event Notification Service is running or not. To check for the services

1. Click on Start

2. In the start Search box type Services

3. Right Click on - RUN AS ADMIN

Check if the below mentioned services has the mentioned status and start up type.

System Event Notification Service Started Automatic

Also, check the dependency services that are required for System Restore Service to run.

To check that double click on the service and click on the dependency tab.

For the system being slow you may try to improve the performance by optimizing Windows and check if that helps. Follow the link given below on how to optimize Windows.

Optimize Windows 7 for better performance

http://windows.microsoft.com/en-us/windows7/Optimize-Windows-7-for-better-performance

The aero issue can be resolved by installing or reinstalling the updated graphics card drivers. You may check if any update for the Graphics card is available for your computer from the computer manufacturer.

Refer to:****

Update a driver for hardware that isn't working properly

http://windows.microsoft.com/en-us/windows7/Update-a-driver-for-hardware-that-isnt-working-properly

Update drivers: recommended links

http://windows.microsoft.com/en-US/windows7/Update-drivers-recommended-links

Hope this information is helpful.

Amrita M

Microsoft Answers Support Engineer

Visit our Microsoft Answers Feedback Forum and let us know what you think.

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178 additional answers

Anonymous

2011-02-11T22:35:34+00:00

Same problem as everyone else on this thread - Dell Vostro 1520, Intel Mobile 4 Graphics, Win 7 Ultimate 64 bit. My general

impression is that Win 7 startup is unforgiving if graphics driver takes too long to start, and proceeds to turn off Aero, fails

to connect to Event Notification Service, etc. Last update to this driver was August 2010 by Microsoft Update.

Steve
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Anonymous

2011-01-31T14:11:25+00:00

We are facing the same issue. We do not have Microsoft Security Essentials, but Avira Antivir. This problem only occurs on a specific Dell Notebook model, the Latitude E6410 and E6510. We have been researching for weeks, without any success. Help is desperately needed!

Thanks for any hint!

Jacques
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