Note: this is not a
Sudoku Up specific error, but is related to the software/hardware configuration.
If Sudoku Up freezes, other games/programs with the same configuration will freeze.
To solve the problem:
1) First, restart your P.C. Errors are sometimes caused by a temporary conflict with drivers or programs.
2) Some opened applications can create the problem. Please close all open programs, then run Sudoku Up.
3) The problem can be related to the Video Card drivers.
You can check the web page of your Video Card manufacturer for updated drivers. To see the Video card you are using, open Start, Settings, Control Panel, Display,Settings tab, Advanced button, Adapter tab.
4) Some advanced video cards can create problems.
Click on Start, Settings, Control Panel, Display, Settings tab, Advanced button, Troubleshooting tab. Decrease the hardware acceleration to correct possible problems. Try all positions from "Full" to "None".