Cannot edit cross section when I open it for editing

Cannot edit cross section when I open it for editing. All the handles are in red and can only move in
one direction.
Answers
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It's a bug. I had the same thing. I upgraded to the latest version and it's no longer a problem.
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This is due to incompatibility with the graphics card drivers. It is usually the NVIDIA GeForce drivers. Stay away from the game ready drivers as they tend to be a bit more focused on some of the cutting edge gaming features.
If it happens again, then go to the very bottom right of your screen in Leapfrog (under the compass ball) and click where it says Full Acceleration. In the pop-up window select "Partial Acceleration".This is only a temporary fix though, and as Findlay says, if you upgrade to the latest version of Leapfrog, then the problem goes away for good.
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