Troubleshooting steps for issues installing the PTR client

Data on the installation disc could not be read.

Data on the installation disc could not be read.

Information on error BLZBNTAGT02600

Information on error BLZBNTAGT00000A28

How to install Call of Duty: Black Ops Cold War and troubleshooting steps for technical issues

What to do if you are unable to use a payment method that you've used in the past.

This error means Battle.net Agent (the process that installs and patches our games) couldn't stream necessary files.

Troubleshooting for when one of your games is installed, but the Battle.net app is still giving you an "Install" button instead of "Play."

Battle.net desktop app information