I keep getting failure everytime

Installation folder not found! Please install from the original installation medium first. If the product is already installed on your computer, please start the latest version of Service Center, go to the "Overview" tab, click "Show Details" for the application you want to update, and browse to the current installation folder by pressing the "Locate" button. Then run the update installer again.

This is what keep getting no matter how manny times i try . I have deleted it re downloaded it 23 times already . WTF is going on ,yes i have 10.8 so whats the problem . What does it even mean please help getting very frustrated . Tell ma am i doing something wrong , am I a f*&%ing idiot oor what . now its like 28 f*&%ing times and still the same **** . Now Im getting this what does it mean


Installation folder not found! Please install from the original installation medium first. If the product is already installed on your computer, please start the latest version of Service Center, go to the "Overview" tab, click "Show Details" for the application you want to update, and browse to the current installation folder by pressing the "Locate" button. Then run the update installer again.

When I open service I get all products are up to date . I open traktor and it is still 2.6.0

 

I take it you've followed exactly what the dialog says?
http://www.native-instruments.com/knowledge/images/Installation/789_2_locate.png

 

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thank you got it now