Before trying the following steps, check the BlizzardCS Twitter for any service interruptions.

If you receive an error code or message when your game crashes (such as BLZOWCLI00000004), you can click on the error code or search for the error code here.

Note: If you receive the error message, "The application encountered an unexpected error," which includes a long string of letters and numbers (such as 23C583DF-8581-4732-1292-1D0A230DCA67) use this article.

For other issues, pick the appropriate link below:


Tried everything here?

If you have tried these steps and still require assistance, please visit our Technical Support Forums or contact us.