CTD need help

Hi alli dont know whether the question is relevant to FSX or not. Everytime time the system crashes when i am playing FSX or FS9, i get the below message in my Event Log. Could this be the reason for the CTD? If so how can i solve it. Please can anyone could guide me on this. Event Type: ErrorEvent Source: Service Control ManagerEvent Category: NoneEvent ID: 7000Date: 7/9/2007Time: 11:19:32 AMUser: N/AComputer: HOMEDescription:The General Purpose USB Driver (adildr.sys) service failed to start due to the following error: The service cannot be started, either because it is disabled or because it has no enabled devices associated with it. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.