I have been playing Civ 4 since it came out, and on various systems it has crashed either to desktop or hung so that you have to go to task manager and kill the process. On a new Windows 10 machine when it hangs with graphical glitches and i cannot get to task manager. I get the cntl-atl-del screen, but selecting task manager returns a black screen, the only thing I can do is log out. Windows device driver is reporting my graphics drivers are up to date. Any suggestions? Just a way to kill the Civ4 process would be of great help.