У меня есть похожие ошибки в Event Viewer-е. Я так понимаю надо то же копать в сторону ATI-ашных дров?
Речь идёт о ноутбуке Lenovo T60 с видео Radeon X1400.
Вот какие ошибки у меня:
Код:

Event Type: Error
Event Source: Service Control Manager
Event Category: None
Event ID: 7006
Date: 1/19/2009
Time: 02:32:59 AM
User: N/A
Computer: A
Description:
The ScRegSetValueExW call failed for Type with the following error:
Access is denied.
For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
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Event Type: Error
Event Source: Service Control Manager
Event Category: None
Event ID: 7031
Date: 1/10/2009
Time: 18:14:00 PM
User: N/A
Computer: A
Description:
The Access Connections Main Service service terminated unexpectedly. It has done this 1 time(s). The following corrective action will be taken in 60000 milliseconds:
Restart the service.
For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
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Event Type: Error
Event Source: Service Control Manager
Event Category: None
Event ID: 7000
Date: 1/10/2009
Time: 18:15:01 PM
User: N/A
Computer: A
Description:
The Access Connections Main Service service failed to start due to the following error:
The service did not respond to the start or control request in a timely fashion.
For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.
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Event Type: Error
Event Source: Service Control Manager
Event Category: None
Event ID: 7009
Date: 1/10/2009
Time: 18:15:01 PM
User: N/A
Computer: A
Description:
Timeout (30000 milliseconds) waiting for the Access Connections Main Service service to connect.
For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.