The title update fix for Modern Warfare 2's broken Stimulus map pack is now live, says Microsoft.
UPDATE: However, gamers are still experiencing problems - especially with matchmaking mode.
"We're getting reports that the MW2 Title Update is now live - It may take a few minutes for it to update for everyone. Let us know how you get on," says official blogger, SentUAMessage.
Earlier today Microsoft admitted that the DLC was broken and required an update.
The Stimulus pack includes five maps - two of which first appeared in Call Of Duty 4. The pack costs 1200 Microsoft Points (around £10.20).