Call Of Duty Modern Warfare 3 Error Unable To Create Steam Appid.txt
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Call Of Duty Modern Warfare 3 Error Unable To Create Steam Appid.txt
How to Fix the Error "Unable to Create Steam Appid.txt" in Call of Duty: Modern Warfare 3
Call of Duty: Modern Warfare 3 is a popular first-person shooter game that was released in 2011. However, some players may encounter an error message when they try to launch the game from Steam. The error says "Unable to create steam_appid.txt" and prevents the game from starting.
This error can be caused by various reasons, such as corrupted game files, missing Steam library folders, or incorrect Steam settings. In this article, we will show you some possible solutions to fix this error and enjoy the game without any hassle.
Solution 1: Verify the Integrity of Game Files
One of the most common causes of this error is corrupted or missing game files. To fix this, you can use the Steam client to verify the integrity of game files and repair any issues. Here are the steps:
Open Steam and go to your Library.
Right-click on Call of Duty: Modern Warfare 3 and select Properties.
Go to the Local Files tab and click on Verify Integrity of Game Files.
Wait for the process to complete and then restart Steam.
Try launching the game again and see if the error is gone.
Solution 2: Create a New Steam Library Folder
Another possible cause of this error is that the game is installed in a different Steam library folder than the default one. This can happen if you have multiple hard drives or partitions on your computer and you choose a different location for installing some games. To fix this, you can create a new Steam library folder and move the game there. Here are the steps:
Open Steam and go to Settings.
Go to the Downloads tab and click on Steam Library Folders.
Click on Add Library Folder and choose a location on your computer where you want to create a new folder.
Click on Select and then close the settings window.
Go to your Library and right-click on Call of Duty: Modern Warfare 3.
Select Properties and go to the Local Files tab.
Click on Move Install Folder and select the new library folder that you created.
Wait for the game files to be moved and then restart Steam.
Try launching the game again and see if the error is gone.
Solution 3: Create or Edit the Steam_appid.txt File
The last possible solution is to create or edit the steam_appid.txt file in the game folder. This file contains the application ID for the game, which is used by Steam to identify and launch it. Sometimes, this file may be missing or corrupted, causing the error message. To fix this, you can create or edit this file manually with a text editor. Here are the steps:
Find out the application ID for Call of Duty: Modern Warfare 3. You can do this by creating a desktop shortcut for the game from Steam and checking its target path for the number following steam://rungameid/. Alternatively, you can search online for the application ID for this game.
Open a text editor such as Notepad and type in the application ID for Call of Duty: Modern Warfare 3. For example, if the application ID is 42690, type in 42690.
Save the file as steam_appid.txt and place it in the game folder. The game folder is usually located at C:\\Program Files (x86)\\Steam\\steamapps\\common\\Call of Duty Modern Warfare 3\\ or wherever you installed the game.
Restart Steam and try launching the game again. See if the error is gone.
We hope that one of these solutions helped you fix the error "Unable to create steam_appid.txt" in Call of Duty: Modern Warfare 3. If you have any questions or suggestions, feel free to leave a comment below. 061ffe29dd
