How to block communication from another player in the Battle.net Desktop App.
Troubleshooting your security programs can resolve issues preventing you from installing or using Blizzard software.
Information on the BLZBNTBTS00000011 error
Information about the availability of payments with BLIK
Failed to launch a critical file. Please close all other applications, temporarily deactivate your anti-virus software, and try again. Alternatively, log in as an administrator and try again.