When any control operation is initiated, the Services snap-in displays a progress dialog box with the title "Service Control". If a service requires a significant amount of time to process an operation, the progress bar will slowly increment as the Services snap-in waits for the operation to finish. After 125 seconds, the progress bar will be full and the Services snap-in will display the error 1053 (ERROR_SERVICE_REQUEST_TIMEOUT) message. The service process itself will continue its operation as usual even after the error message has appeared.
The 125-second timeout within the Services snap-in is a hard-coded limit and cannot be changed through the registry.
The Service Control dialog box contains a Close button. If the dialog box is closed before the wait limit has expired, the error message will not be displayed.