add the exe of the game to your Anti Virus and firewall program, to make sure check the logs of these to see if it was one of them which was to blame.
That usually means a 3rd party program, like an Internet security programs, is interfering with the game or update installation.
run the game from a admin account and use full admin permissions.
please make sure all game pre requisite are installed with the game, even if you think or fully know there are already installed, it will only over write, and it may be that you have a older or newer version of these where as the game in question may need a certain version.
please make sure you are running the latest game version and have up to date drivers installed on your pc,
If you have the original version. So you'll need to update it from the Internet.
Please note that you'll only need the last update, as the updates are comprehensive.
so reboot the pc, uninstall the game, making sure the game folder is no longer there, and follow the above, run all setup pre requisite files as admin.
if then it doesn't work, log the game log files in the link above so we can look at what the error messages says, thanks
How to get the ctgw.log file:
If you ever get an error or crash, please attach the ctgw.log file to your report, this will help us identify the problem. The logs are in your Documents, so the default is "My Documents\My Games\Commander The Great War"
IMPORTANT: This log is overwritten every time you start the game. Please make a copy of the log after any crash/bug you want to report before reloading the game.
NOTE: Please put your attachments in a .zip or .rar format, before you upload it here on the forum, if not, it will not upload at all.