every time i turn on my computer and want to log in with my user [it is in a workgroup and has a static IP, it says that your user name and domain name does not match. I checked the error in Event Viewer: the error is: The redirector was unable to register the domain WORKGROUP on to transport NetBT_Tcpip_{D88202E4-8CDF-4FC7-B28D for the following reason: . Transport has been taken offline. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. 0000: 00 00 00 00 04 00 4e 00 ......N. 0008: 00 00 00 00 d8 0b 00 80 ....?..? 0010: 00 00 00 00 84 01 00 c0 ....?..A 0018: 00 00 00 00 00 00 00 00 ........ 0020: 00 00 00 00 00 00 00 00 ........ The time provider NtpClient is configured to acquire time from one or more time sources, however none of the sources are currently accessible. No attempt to contact a source will be made for 14 minutes. NtpClient has no source of accurate time. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.