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Cannot make any changes to windows control panel??
I have a brand new kiosk machine installed with windows 7 ultimate 32 bit service pack 1. The machine has keyboad, track ball mouse and also supports single touch input. But the problem is touch screen does not work. There is no touch sensivity at all. Whenever I am trying to caliberate the touch using control panel touch pad setting or pen and touch setting windows prompts "Do you want to make changes to you Computer" and this is the moment mouse and keyboard freezes and I cannot select the "yes". The keys that are working at that time are Ctr+Alt+Del and this how I am coming back to the mainscreen.Even I cannot install or update anyting because keyboard and mouse freezes when windows promts for yes or no. I am trying to figure out is it a hardware(monitor) or software issue. thanks for your suggestions