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Sudoku Help - Problem Encountered

Here's a page from the extensive help system for SudokuDragon. It is displayed as a help screen when running the program. To get the full picture Download our Sudoku Dragon and see the screen in its full context.

If you attempt to make an assignment to a square that is not allowed by the rules of Sudoku then a pop up window will be shown and the allocation will not be made. All you need to do is to make another allocation or choose another square. Press OK or the Escape key to clear the message from the screen.

You can move the window by clicking the mouse on it and dragging it to a different area on the screen.

You will also see this message when the solver has detected that the game is complete or it has reached a stage where it can no longer be solved. The message will indicate what the matter is.