Once finished, right-click 'train.exe', click properties, select the compatibility tab, and set compatibility mode for Windows XP Service Pack 2 or 3 and select 'Run this program as an administrator'.Make sure to select the correct game install folder if you changed it from default while installing the game. Now, install 'TRAIN_UPDATE1.EXE' or the appropriate version for your language (e.g, 'TRAIN_UPDATE1_DE.EXE' for the German language version).You should see a dialog box that reads 'atiumdag.dll - File successfully patched! (3 bytes written)' In 'Target File', find the copy of 'atiumdag.dll' in your Microsoft Train Simulator install folder.Download and run 'MSTS_AMD_BUGFIX.EXE', a program by jackfuste.Copy 'atiumdag.dll' to the root of your Microsoft Train Simulator install folder (typically 'C:\Program Files (x86)\Microsoft Games\Train Simulator' on 64-bit Windows or 'C:\Program Files\Microsoft Games\Train Simulator' on 32-bit Windows).If the game is failing to install you can set Compatibility with the setup.exe (or whatever term they use for the installers executable) on the installation disk. Locate 'atiumdag.dll' on 64-bit Windows at 'C:\Windows\SysWOW64' and on 32-bit Windows at 'C:\Windows\System32'. If the game has installed you can do this with the games shortcut or the main.Use jackfuste's 'MSTS_AMD_BUGFIX.EXE' to create a patched version of an ATI.
