Troubleshooting for error BLZBNTBGS80000011.
What to do if you can't open the Battle.net desktop app, and there are no error messages when you try.
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Troubleshooting a scenario where your Blizzard games are uninstalled every time you restart the computer
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.