Error code 25509 MW2, how to solve the bug?

 Since the release of Season 1 of Modern Warfare 2, some players are encountering error 25509. We tell you how to fix this bug.

Error code 25509 MW2, how to solve the bug?


Call of Duty Modern Warfare 2, like many online games, sometimes encounters certain problems. This may be due to a bug when you launch the game such as the error "No compatible DGXI adapter  "or related to the campaign.


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When you encounter a bug, you generally have an error message displayed and among the known messages, we find the code 25509. Some players are wondering how to fix it, so we are going to give you a solution given by an independent Xbox and Microsoft advisor on the Microsoft forums.


How to fix error 25509 on Call of Duty Modern Warfare 2?

If you've been experiencing error 25509 since the release of Call of Duty Modern Warfare 2 Season 1, well, it's due to a problem with your connection. A solution exists and it was given by an Xbox ambassador on the Microsoft forums. Here is what he recommends:

  • Unplug the power cable from the back of your router or modem and wait 5 minutes
  • Press and hold the Xbox button on your console for 10 seconds or until it turns off, then wait 2 minutes before turning it back on
  • After 5 minutes, first, plug in the modem and wait for all lights to return to normal
  • If you are using a router, plug in the router and wait for all lights to return to normal
According to this independent adviser, this should fix the problem, but if the problem persists, feel free to check the server status page to see if the servers are offline or contact Activision support in order to receive assistance in correcting your problem.

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