We have noticed that there are some quirks with Koolmoves when running Windows 10 -- in particular with the top menu bar and top toolbar. We are trying to sort it out. In the meantime, you can try setting compatibility to a lower Windows version in the koolmoves shortcut and .exe and disabling high-dpi display scaling.

This is the first time that a Windows update has affected the Koolmoves gui and behavior (except for Vista security changes that affected writing to the Windows registry and writing files to a Program Files folder). It does beg the question if it is a Windows 10 bug or what.

In any case, there will probably be a new KoolMoves release within the next day or two with a lot of nice new features. KoolShow and KoolWizard releases will follow.

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On looking at the issues more, part of the problem was due to my partner's lack of experience with the Html5 jQuery interface. The Html jQuery interface has a different menu at the top and tabs at the bottom. Bottom-line, now we can't seem to find any issues. There was a problem sometimes with the top toolbar not refreshing correctly but we can't duplicate the problem now. The situation is looking good.