i have the same problem but this is what i got from telltale

Hi,

Thank you for contacting us and I apologize for the inconvenience.
Please note that this error message is caused from an error in your computer, usually due to outdated drivers that are not compatible to run the game. However, you may be able to update your driver software to resolve this.

First, please install and run the DirectX End-User Runtime Web Installer from the following link to ensure DirectX is updated to the latest version:
http://www.microsoft.com/en-us/download/details.aspx?displaylang=en&id=35

Next, please ensure that you have the latest Windows Service Pack installed; you can check this by going here:
https://www.microsoft.com/en-us/download/details.aspx?id=5842

After you have verified that you have the latest, please also download the platform update:
https://www.microsoft.com/en-us/download/details.aspx?id=36805

If you are still receiving the unknown error message, please send us your support tool.
The exe for that can be found here: https://telltale.com/support/article/how-to-run-the-pc-support-tool-for-the-walking-dead-a-new-frontier/

Please attach the generated zip file to your next response.
We will be able to assist you after having this.