Regardless, output=surface is known to be problematic in newer versions of Windows, for reasons that are not entirely clear. Also, what is the difference between opengl, openglnb, ddraw, surface, and overlay; especially, what is the difference between opengl and openglnb? There is already much …

Hi! I downloaded, but have not yet tried, the latest DOSbox build. Thank you very much! Opengl seems to have done the trick! (instead of Output>surface) I took a video of how it had been under Output>Surface= 1--with output=surface.zip What you don't see is that right at the end (the screen catcher …

Sorry, it is not a problem with the installer, however I found it by searching for my Event viewer message. :| I have edited my post to add new info. Dosbox runs perfectly fine in windowed mode. When I hit Alt-Enter to go fullscreen, it cycles full-screen, than blinks than crashes to the taskbar, …

Hi all! We have two laptops. They both are Win7Pro 64bit downgraded from Win10 Pro. On mine (#1 for this conversation), one of the things we installed was D-Fend Reloaded (normally for Vista and up--to user profile). I also have McAfee (Preinstalled 30 day trial), Malwarebytes Anti-Malware Free ( …