However, when I run in windowed mode it runs just fine. When I try to run D2 in fullscreen I get a UE. Check “Reduced Color Mode” and set to “bit () Color” ĭiablo 2 has no option to resize your window either it's the same as game resolution x/x or you can maximize it to reach from the.Check “Run this program in compatibility mode for” and set the value to “Windows XP SP 2/3” For example, it would look like: Target: 'C:\Program Files\Diablo II\Diablo -w' without the quotation marks. Right-click or tap-and-hold the shortcut for the. also you can try pressing alt and enter at the same time that will soemtimes drop games between windowed and full screen mode.ġ. Right-click the Diablo II icon and click Properties.