Howdy!
Close this thread as it’s made up of many different issues that may not be bugs but problems that require troubleshooting. As for known issues please check out our known issues thread Here. If you need help please start your own thread.
For Black screens and performance issues, check out our performance troubleshooting steps Here.
“There Was An Error In Handling The Request” generally means you don’t own the game or the Battle.net Desktop app can’t connect to our Authentication servers to check, try troubleshooting the connection Here then contact our support team Here if the issue continues.
Thank you.