The disk doesn't have enough free space to install. Please free up space.
How to resolve issues with slow patch downloads.
Unable to install Battle.net Application after downloading from the website.
The Battle.net desktop app is trying to connect to an invalid or nonexistent server.
The Battle.net desktop app is trying to connect to an invalid or nonexistent server.
Troubleshooting steps for disconnections in StarCraft II
World of Warcraft does not support 32-bit operating systems.