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Unable to contact server to verify your license key error

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Running Malwarebites Endpoint Security 1.8 (installed in March) and it has been great for months.  Users started getting notified that their client was out of date so they contacted me.  Upon investigation the console was reporting the product licensed, but  "Unable to contact server to verify your license key error

Tried to restart the Malwarebytes Management Service service and it will not stay started.  No error except that it started and stopped immediately.  Now the console will not open at all.

the only error i can find in the event log is attached to this post via screen shot.

Any assistance would be welcome.

thank you,


malware bytes error.jpg

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Error    2017-09-15 11:04:21.7320    5276    15    There was an error setting up the SOAP receivers: System.Net.HttpListenerException (0x80004005): Failed to listen on prefix 'https://+:18457/SCWebService/' because it conflicts with an existing registration on the machine.

Error    2017-09-15 11:04:10.4532    3460    49    Error adding client system log batch from 4ffaacd6-e460-4a0c-895b-e256f8ec8cef: System.Data.SqlClient.SqlException (0x80131904): An attempt to attach an auto-named database for file C:\Program Files (x86)\Malwarebytes Management Server\App_Data\scdb.mdf failed. A database with the same name exists, or specified file cannot be opened, or it is located on UNC share.

Error    2017-09-15 11:23:53.4581    1632    1    There was an error logging in: System.Net.WebException: Unable to connect to the remote server ---> System.Net.Sockets.SocketException: No connection could be made because the target machine actively refused it

Error    2017-09-15 11:23:53.4737    1632    1    Logon User: Admin, Event: Login, Error: System.Exception: The console is unable to connect to the Management Server. It may be due to a network problem, an inaccessible server, a Windows Update or server address/port change. If Windows updates have recently been installed on the server, please re-boot the server and try again.

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