Fixed the problem by un installing Mediabrowser plugin and deleting leftover dll files in the main mepo directory and the plugins folder. Then I re-installed mediabrowser plugin.
Looking through the log, for some reason it was finding my MB server at 192.168.1.21 when in fact it was on 192.168.1.20
Looking through the log, for some reason it was finding my MB server at 192.168.1.21 when in fact it was on 192.168.1.20