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Treehouse 2015 Error: The interface is unknown. (Exception from HRESULT: 0x800706B5)

Question asked by Shahid Shaik on Nov 5, 2014

I have multiple versions of solidworks installed on my machine (2013 SP5 & 2015 SP0). When i launch Treehouse with SW2013 open in background i notice the following error. clicking OK will not dismiss the launch and keep trying again and again.