Modern Warfare 2 multiplayer “Unable to change class” error: How to fix, possible reasons, and more

sportskeeda.com:

The list of bugs and errors in Modern Warfare 2 does not seem to have an end. The latest franchise entry is riddled with performance issues, and players around the world are having a tough time enjoying the game like the developers have intended.

Issues with the title crop up every now and then, with some bugs causing the game to crash as soon as you enter the lobby and another not even letting you enter Modern Warfare 2 because certain data packs are missing.

One of the most game-breaking bugs, however, is the “Unable to change class” error which will not allow you to customize or change your weapon class and loadout before or during a match.

Many in the community seem to be facing this from time to time, and players have attributed the cause to either the servers not working as intended or there being certain issues with the game files themselves.

While there is yet to be a permanent solution to this, today’s guide will go over some temporary workarounds to help you solve the “Unable to change class” error in Modern Warfare 2.

There are a few things you can do to temporarily fix the “Unable to change class” error in Modern Warfare 2.

Version mismatch can be one of the reasons why the game does not allow you to edit and change your class before a queue or during a match. Hence, the best solution for this will be to check for the latest version of the game through the Battle.net or Steam client.

Console users will be able to press the options button and select “check for updates” to search for the latest patch. This will then automatically download it on their system.

Corrupt Modern Warfare 2 files in the installation directory can also be one of the root causes of the error. To fix this, you will be required to highlight the