How to resolve this error when installing Diablo II (2000)
You have attempted to connect to an invalid server. If this problem persists, please contact Customer Support.
What to do if you internet service provider (ISP) is encountering connection issues.
Troubleshooting steps for issues installing the PTR client
How to install Call of Duty: Black Ops Cold War and troubleshooting steps for technical issues
We're having trouble starting the Battle.net desktop app. Please try again. If the problem persists, try restarting your computer.
Troubleshooting your security programs can resolve issues preventing you from installing or using Blizzard software.