If on opening CDP Manage looks like this:
This may be because the DPI Scaling is set too high. You will need to lower it from Large or Medium to the default setting of 96 DPI or 100%. Your computer’s display size may also be too high. You can change this by right clicking on your computer’s desktop and selecting Personalize, then on the bottom left select display. There you can change it to Smaller- 100% and then hitting Apply.