My Xbox crashed an entire Game because it kept disconnecting from Xbox live/the wifi...

Let me guess, you are connected to WiFi.... The problem with wifi is that there will always be an interference with the connection. As a result, you will disconnect from Xbox live. The only way to solve this issue is to use an ethernet cable. This will guarantee
that you will not disconnect from xbox live. I know this for a fact because Everyone who has this issue are those who uses wifi to connect to xbox live. I strongly suggest using a ethernet cable because you will not disconnect. P.S: AVOID NETGEAR!! LoL, Worst
WiFi router ever!

Monkey Man I think your issue is probably different from this one. In this issue the WiFi adapter stops working entirely while playing Destiny. After I get disconnected, my console is no longer able to connect to any wireless network.

There are many (hundreds of threads) other issues reported on the destiny forums related to disconnecting from the game that don't impact the ability to connect to WiFi networks or Xbox live.

With mine, id be playing Minecraft on a world with friends. And every so often, my xbox live would disconnect and therfore kick all from the game, disconnect me from the wifi. It may then reconnect itself.

Now, my xbox profile keeps disconnecting from xbox live with any game or just on dashboard.

Try changing the wifi channel.

I had a similar problem ages ago. Xbox kept disconnecting and was really slow but my ps3 and laptop worked fine. I changed the wifi channel from channel 1 to channel 11 and xbox worked fine after that

Argyle Redfield, it's not my router because my internet connection is fine never had any trouble before on my computer and xbox aswell. just got disconnected from xbox live while playing mw3 in the middle of the game, and i don't use WIFI.