Hello PcChampain,
Thanks for posting!
If you have not yet taken a look at our knowledgebase article that covers some troubleshooting steps you can take for PC error messages, then please check it out here: Activision Support
Also please ensure that you have met the minimum requirements needed for Ghost on PC:
Call of Duty: Ghosts PC Minimum System Requirements
Thanks,
^JG
ATVI Support
