If the Battle.net app is freezing or stuck on loading, try closing it completely through Task Manager, restart your computer, and then relaunch Battle.net with administrator privileges.
Blizzard has confirmed that cached app data is often a common culprit, so clearing the Battle.net cache folder typically fixes startup and loading problems.
Issues with app files can stop games from loading, so make sure to use the Battle.net settings to scan and repair the client, or consider reinstalling it entirely from Blizzard’s official website.
Ensure that your Windows or macOS is completely updated, as any outdated system components may prevent the launcher from starting up properly.
To ensure smooth operation, consider temporarily disabling your firewall, antivirus, or VPN software, or add Battle.net and the game executables to your whitelist.
If the problem continues, consider filing a complaint on Xolvie to raise awareness and pursue a resolution.

