This error could be a result of a bad or weak internet connection. As the error message says, check your internet connection and make sure it is reliable and stable enough to connect to online game servers. You cantest the speed of your internetand check if it is good enough for gaming....
I own Bloons TD5 on MS Store and get this error, what do I do?: Bloons TD5 is currently not available in your account. Make sure you are signed in to the Store and try again. Here’s the error code, in case you need it: 0x803F8001... How can I find out whats downloading?