Dot Physics

Tracker Video Analysis and Mac OS X 10.6

I was shocked. After installing Mac OS 10.6 (Snow Leopard) Tracker Video Analysis didn’t work. This is one of my favorite programs for blogging.

It appears that the problem is with 32 bit Java vs. 64 bit. I don’t really understand why one doesn’t work, but Tracker doesn’t work with 64 bit Java and that is now the default for 10.6 You can fix it. Go to Java (under applications/utilities) and drag 32-bit above 64 bit. It should look like this:


I had also installed QuickTime 7 (along with the newer QuickTime X) in the hopes that would fix the problem. I don’t think you need QuickTime 7, but if the above doesn’t work, try that also.

NOTE: I didn’t figure this stuff out. My brother helped by finding this link on


  1. #1 Steve Dickie
    September 30, 2009

    I’m glad you pointed this out! I haven’t opened Tracker since I upgraded, but I will be using it in class today. A program I count on suddenly not working could have blown my whole lesson plan.


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