1. i have installed corel 12 in my new laptop. and when i started working on it after few clicks my image (including pasted jpeg also) , is getting invisible from the screen . though i can see the nodes when i select the whole image.
i have reinstalled corel also.

2. i want to change my mouse setting of scroll from going up and down to zoom in and zoom out . this i used to do in my previous machine . how to do that?