How to solve Error using actxserver (line 90)?

>> ib=ibtws('',7496)

Error using actxserver (line 90)

Server creation failed. Invalid ProgID 'TWS.TwsCtrl.1'.

Error in ibtws (line 38)

Can please somebody help me to fix this error?

I am using:

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MATLAB Version: 8.5.0.197613 (R2015a)
MATLAB License Number: 
Operating System: Microsoft Windows 10 Pro Version 10.0 (Build 10586)
Java Version: Java 1.7.0_60-b19 with Oracle Corporation Java HotSpot(TM) Client VM mixed mode
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I allready tried nearly everything but it is still not working...

[Walter Roberson]

duplicates http://www.mathworks.com/matlabcentral/answers/296743-how-can-i-solve-this-problem