screen size settings might be it, but it's weird though. I can't reproduce it on Windows 8.1 no matter what text size I pick in screen resolution text sizes, even custom sizes make the text scale properly....
Is the rest of the UI also garbled or is that resized properly?
The controls is an XtraScrollableControl from DevExpress, v15.2.7.0. It might be we use a hotfix build for 15.2.7.0 and you have installed 15.2.7.0 without the hotfix, but this is speculation, as I don't remember anymore whether we used a hotfix build or not, I can't find evidence it's a hotfix build although we did use one in the past for a fix for HiDPI issues like this one. .NET loads assemblies from the GAC no matter whether they're right there in the app folder, if they're in the gac, so if we used a hotfix build and you don't and you have 15.2.7.0 installed that might be the cause but it's a tiny chance that is the reason. The build we have is from March 8th. Other than that, I have no idea. I'll try on Windows 10 as well to see whether it's related to that...