I have pretty much the same problem. The way I complained about it in another thread got it deleted. My system is more then capable of running this or any other game on the market. I have changed nothing in my system. The sim worked fine for as long as I can remember. 1.2.7 worked fine. Since one of the recent updates it stopped loading, or will load the main GUI screen but won't load a mission, or will load a mission once and then not load the next time. Either launcher.exe hangs or DCS.exe hangs. I have to CTRL,ALT, DEL to get out of it. I deleted 1.2.7 completely and installed the 1.2.8 open beta. Same problems.