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When I start my Windows 7, I get a notification
The system event notification service could not be started....
As a result, I dont have Aero, even though my Windows Experience Index is 3.2.
Aero used to work fine before today and I have not installed any new application. I have checked the event log and it reads:
The System Event Notification Service service terminated with the following error:
Overlapped I/O operation is in progress.
I am not sure what this means.
I have seen the services.msc
and everything is fine there. Moreover the startup time has also extended and the Please wait stays for more than a minute. This is a sudden problem as everything used to work fine until today.
For Aero I have tried starting Desktop Window manager (as pointed out by the trouble shooter), but with avail. From what I could understand from the forums, the lack of Aero and increased start-up time comes from a single problem of the System Event Notification Service.
This is a personal Computer and I have no active directories installed.
1Tried all that bro!But to no avail.As far I could understand it is a hardware issue.Windows 7 waits a short period for your GPU to respond.If it doesn't then it switches to the no -Aero mode.There must be multiple reasons,but I figured out mine.! fine day my GPU started working perfectly and everything is fine now! – user38923 – 2011-05-26T12:46:50.813