Friday, March 13, 2015

Windows could not connect to the System Event Notification Service service

On some HP laptops you randomly get this error message at logon time and the Aero themes are disabled.

Microsoft has a fix at but it does not fix anything.

I finally found the the culprit was the Intel HD 4600 video driver from HP. I downloaded the latest driver from Intel (at time of writing it is version from .

You have to "force install" the driver from the Device Manager. It won't install with the installer because it complains that the driver hasn't been certified for this computer.

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