Good work. I am using İdecad version 8.62. I have Win10 pro 64 bit operating system. Also my EVGA GTX1070 graphics card is installed with the latest drivers. 2 displays are connected to my computer. Idecad is running while all other programs except İdecad are full screen. When I press the full screen button from the top right, it fills the screen, but there are spaces on 4 sides. When I start the program with the combination of CTRL+SHIFT, the result does not change. It remains blank on both screens. I can't find the reason. We examined the situation you mentioned in two systems; 1. system: Video card gtx 660.1. screen Dell 30 inch, 2. screen Dell 30 inch, resolution 2560x1600, we can run full screen programs on both monitors. The gaps you mentioned do not occur. 2. system: Video card gtx 660, 1st screen Dell 30 inch, resolution 2560x1600, 2nd screen LG 22 inch, resolution 1920x1080. Again, we can run full screen programs on both monitors. There are gaps you mentioned. it doesn't work. ideCAD Static full screen on the 1st screen, another program full screen on the 2nd screen. Then 2nd screen 1st screen reverse was tried. ideCAD Static full screen on the 1st screen, ideCAD Architectural full screen on the 2nd screen. Then 2nd screen 1st screen reverse was tried. ideCAD Static full screen on the 1st screen and ideCAD Static full screen on the 2nd screen. ideCAD Architecture full screen on 1st screen, ideCAD Architecture full screen on 2nd screen. No frame issues were observed. I do not think that the problem and the solution are related to ideCAD because there is no program-based setting.