Hello wz,
Thanks for the question. The problem appears to be with the workstation authenticating your username/password with the domain controller. Here's a Microsoft KB Article on this issue that may help: http://support.microsoft.com/kb/162797
If you still need assistance, you can always contact our support directly
https://secure.logmein.com/contactus
Regards,
Kevin Watson
Technical Support Representative
LogMeIn, Inc.
Email: kwatson@logmein.com