From Event Log I get these messages: Aplication: Windows saved user %1 registry while an application or service was still using the registry during log off. The memory used by the user's registry has not been freed. The registry will be unloaded when it is no longer in use. Windows cannot unload your classes registry file - it is still in use by other applications or services. The file will be unloaded when it is no longer in use. Hanging application %1, version %2, hang module %3, version %4, hang address 0x%5. System: PLug and PLay Spource: Timed out sending notification of device interface change to window of "%1" Service Control Manager: Timeout (%1 milliseconds) waiting for a transaction response from the %2 service.