Cause:
Incorrect setting on Client PC fo the master browser

Fix:
Take note of what <clientname> is and go to that machine

Start > run > regedit {enter}
Navigate to
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Browser\Parameters

Modify the MaintainServerList and/or the IsDomainMaster key to a value explained here:

MaintainServerList No This PC will not participate as a browser.

Make sure the following DOES NOT exist

IsDomainMaster True Designate this PC as the preferred master browser.

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