Go to Control Panel, click on the Network icon. In the Network Dialog box, select Client for Microsoft Networks and the click Remove. In the Network dialog box click OK then Yes to restart the comptr.
Go back into the Control Panel, Network icon and in the Network dialog box, click Add. In the Select Network Client dialog box, click Microsoft under Manufacturers. Under Network Clients select Client for Microsoft Networks, click OK. In the Network dialog box click OK, Click yes to restart the comptr.
Hopefully the comptr will restart now without any error messages.