We discovered that some of those who purchased COD 2 were facing a specific error. The exact situation was that when the game is opened, an error message appears saying “This application failed to start because Mss32.dll was not found. Reinstalling this application may fix this problem.”

Below are the solutions to resolve this COD 2 error:

1. Reinstall the game
2. Remove invalid registry entries
3. Reinstall.dll file
has. Copy Mss32.dll from the Call of Duty Installation CD-ROM
b. Copy the file from the System32 directory
against Install a third-party program using the Mss32.dll file
4. Update audio card driver
5. Provision of free disk space

The error appears because a required file is not present in one or both of the following locations: Call of Duty 2 installation directory and C:WindowsSystem32 directory.


As the error notification describes, the file no longer exists on your system. It may be moved, deleted or renamed.

It is recommended to reinstall the entire game and try again:

1.Click Start | Control Panel.
2. Double-click Add/Remove Programs or Programs | Uninstall a program.
3. Select COD 2 from the list of installed programs and then click the Uninstall button.
4. Follow the instructions and reboot the machine after completion.

Delete invalid Call of Duty 2 registry entries

Like other games, COD 2 also stores its settings in the registry. The information is stored in a systematic and structured way in the form of log entries and retrieved when needed.

Unfortunately, there are many cases that we have seen where registry entries are incorrectly modified by other programs or the game itself. That is why removing junk entries becomes important. Download a registry repair software and get the job done automatically.

Reinstall the file

Reinstalling the Mss32.dll file may fix this problem. There are three options to reinstall this file:

Copy from the Call of Duty 2 Installation CD-ROM

You will find this file on the CD ROM you used to install the game. To do so, perform the following steps:

1. Insert the installation disc.
2. Open My Computer.
3. Press the F3 key on your keyboard to load the search function.
4. Type Mss32.dll in the search box.
5. Press ENTER.
6. In the search results, right-click the Mss32.dll file and select the Copy option. It is usually stored in the SETUPData directory.
7. Paste the file into the directory where COD 2 is installed.
8. Paste the same file into the C:WindowsSystem32 directory.
9. Restart the game.

Copy from System32 directory

If that file is not present on your game installation disc, simply copy it from the C:WindowsSystem32 directory to the folder where the game was originally installed.

Install a third-party program

Just like Call of Duty, some other programs also use this file. If the Mss32.dll file is not present in the above locations, you can reinstall another program using this file. For example Winamp.

Update audio card driver

After reinstalling the Mss32.dll file, sometimes another error appears: “The procedure entry point _AIL_set_speaker_configuration @ 16…”

Indicates that the sound drivers are out of date and should be updated immediately. You can download your sound drivers for free from the appropriate sound card manufacturer’s website.

Provision of free disk space

COD 2 requires an amount of free disk space to be needed at runtime. If such free disk space is not available, the game often crashes with Mss32.dll error.

Download a PC optimizer and disk cleanup software and click System Cleaner | Cleansed.

The most important thing

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