Troubleshooting steps for payment error: Sorry, we're unable to complete your payment.

Use the steps below to troubleshoot installation issues for Blizzard games.

Types of issues Blizzard Customer Support can help you with on Activision games

Restart the Battle.net desktop app to clear temporary issues that may cause this error.

How to resolve issues with slow patch downloads.

Troubleshooting steps for World of Warcraft crashing issues

Troubleshooting steps for issues installing the PTR client

Information for issues where a green, yellow, or red circle will show up in game despite the game being fully downloaded.

A permissions issue is preventing Battle.net desktop app from renaming a file during an update.

Troubleshooting your security programs can resolve issues preventing you from installing or using Blizzard software.