Erroc Code BLZBNTBTS00000011

Hey, Biederman! This error is caused by issues with the digital certificates which can be caused by a corrupted installation or files. Could you try the following steps?

If the problem continues, please try manually reinstalling the digicert SSL Certificates. Click here for the steps.
  1. Go to https://www.digicert.com/digicert-root-certificates.htm
  2. Find DigiCert Assured ID Root CA under the Root Certificates section and click Download DER/CRT
  3. Double-click DigiCertAssuredIDRootCA.crt and click Open
  4. Click Install Certificate…
  5. Select Local Machine and click Next
    Note : If a User Account Control dialog box pops up, click Yes
  6. Select Place all certificates in the following store and click Browse
  7. Select Trusted Root Certification Authorities and click OK
  8. Click Next
  9. Click Finish

Hopefully these suggestions will help, but please contact our Technical Support team if the problem is not resolved since this may indicate a specific or deeper concern that our team will need to look into with you.

For anyone running into a similar error, please check that this is not the BLZBNTBGS80000011 error. This is a completely different error caused by connection issues to Blizzard services. If you are running into the BLZBNTBGS80000011error instead, please refer to this thread. Otherwise, please follow the suggestions above.