Cannot login: Error code BLZBNTBNA00000640

Technical Support
1

I have never in my 10 years of playing starcraft 2 had any problems.

I just recieved this error code and I dont know how to solve it. I have changed nothing on my computer.

Below is the answer I get from blizzard search for error codes. Doesnt help me”

Something went wrong with a security certificate.

Error: BLZBNTBNA00000640

1 Like
2

and how many times did you try to login

3

Same issue and only 1 initial attempt for login no workaround have worked so far

4

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