Open the Windows Display Control panel. See if it is set to 100% or another value. If not set to 100%, set it to that value and see if this makes a difference.
For More Information see: FM13v02 - with fatal rendering issues!!!
This is one of many acknowledged bugs that can be found in the Known Bug List thread here in the Report an Issue section of the forum.
It can also be downloaded as a database file from: https://www.dropbox.com/s/jt09b82i0xijbu3/FMP%20Bugs.zip
Thanks so much. It was indeed set to 125%...
Your swift response is much appreciated!