Note: Next to the error code, there’s usually a message suggesting that the Battle.net servers could be the problem. But as you’ll see below, this is not the only cause of this error. After taking a deeper look into this problem, we have come up with a shortlist of culprits that might trigger this error: Now that you know all the possible causes for the BLZBNTBGS8000001C error, here’s a list of methods that will help you get rid of this issue:
Check online for server problems
The first thing that you should do before jumping straight to the practical fixes is to check if the servers are going through some problems or if they are under maintenance. To find out if the servers are the cause for this error, you can always use sites like Downdetector. Here you will see if other people have reported problems with the server in the last 24 hours. You can report on your own if you want. In case you want additional information, you can always use the alternative option and search on the Blizzard official Twitter page. Here you will find posts made by the developers about undergoing maintenance or issues. If you find out that the servers are the cause for your BLZBNTBGS8000001C error, the only thing you can do is to wait until the developers fix the issue themselves, because you can’t do anything about it except report it. In case you are sure that the servers are not the cause for your issue, check below the next method.
Clear the Battle.net cache
Now that you ruled out a potential server issue from your culprit’s list, the next thing you should investigate is potential corruption inside the Battle.net cache. Other affected players have managed to fix this error by deleting the Battle.net cache files. All you have to do is to delete the Blizzard Entertainment folder from the ProgramData folder while ensuring that Battle.Net is closed. Note: Before deleting the folders, make sure that the Battle.net application is closed. Here are the steps on how to delete the Battle.net temp files from your computer: In case this method didn’t fix your BLZBNTBGS8000001C error. go below to the next one.
Change the DNS to Google
Before you resort to a fix that will refresh your local installation, you should first ensure that the problem is not DNS-related. The Battle.Net launcher’s instability to connect to the server might be due to an inconsistent DNS. If this scenario looks like it could be applicable, also try to change the DNS(Domain Name Address) to Google’s Equivalents. An inconsistent DNS range will make the connection to Blizzard’s servers more difficult. Luckily, you can fix this by migrating your default DNS range to a range supplied by Google. In case you don’t know how to change the DNS to Google, here is the guide that will help you do it: In case the BLZBNTBGS8000001C error still appears, go below to the last possible method.
Reinstall Battle.net
If you’ve come this far without a viable fix and you’ve excluded a potential server issue from the list of culprits, the last thing left to troubleshoot is a potential corruption issue affecting the local Battle.Net installation. A lot of Battle.net gamers have reported that they managed to fix the main fix the Blizzard application is to uninstall it, then reinstall the latest version conventionally. The key here is to delete this app from the Control Panel, not from the installation folder. Here are the steps you need to follow in order to reinstall the Battle.net:
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