How to resolve stuttering and scrambling of UI in Unreal Engine 4.16?

The problem with me is that, when I try to use the Unreal Engine Editor, the UI keeps Scrambling without any reason! I need a solution on that. I have Intel HD Graphics 2000 2GB, on Intel core i3, with 8 GB or RAM and a monitor of maximum resolution of 1366x768. I don`t really know what is causing this problem, because I have nothing connected to my PC except the USB Keyboard, PS/2 Mouse, and Microphone. Please provide a solution ASAP!
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