How to Fix Missing Codec 0xc00d5212 Error on Window 11/10

With the growth and improvement of the Windows operating system, Windows Media Player has been around for several years. Despite this, the software did not eliminate all errors. It has been reported that many users have encountered the error code 0xc00d5212 when trying to play a .avi file in Windows Media Player.

Our guide below will help you troubleshoot error 0xc00d5212 in Windows Media Player. You don’t have to be a computer expert to fix things – even if you don’t have experience with them, you can still follow our instructions to fix the problem.

How to Fix Missing Codec 0xc00d5212 Error on Window 11/10

So, here are some fixes that will help you resolve the Missing Codex 0xc00d5212 error on Windows 10/11 PC.

Fix 1: Install the missing codec

It is possible for the error 0xc00d5212 to be caused by a lack of missing important codecs. Therefore, there is a solution to the problem of downloading and installing the correct or missing codes. It should be noted that this method does not work with Windows Media Player 12. To determine your Windows Media Player version and download codecs, follow these steps:

1. Start Windows Media Player.
2. On your keyboard, press ALT + H and then click About Windows Media Player.
3. Make sure the version is current. You should move to another fix if it is 12. Continue if it’s 11.
4. In the Organize menu, click Options…
5. Select the Player tab. You can check the box under Automatic Updates to download codecs automatically.
6. Please try playing the video again.

Fix 2: Update Video Device Driver

It is video drivers that allow the operating system and graphics hardware to communicate more efficiently to playback video. Decoding and rendering video files may be affected by obsolete or incompatible video drivers, leading to the 0xc00d5212 error. When you try to play high-definition or newer video formats that require updated drivers, this problem is more common. Your graphics hardware will be able to handle the most recent video codecs when you update the video device driver. This will result in a smoother and error-free video playback experience.

1. To access the device manager, press the Windows key, followed by “device manager“. If you prefer, you can run the command “devmgmt.msc” and click “OK“.
2. In the Device Manager window, locate the Display adapters device. By right-clicking, select Update Driver Software.
3. From the pop-up box, select Find updated drivers automatically. Once the installation is complete, restart your computer.

Fix 3: Update Windows OS

Microsoft regularly updates the Windows operating system to improve system performance, safety, and compatibility. If your operating system is out of date, it might be unable to integrate with the latest video codecs, which will result in the 0xc00d5212 error when playing back videos.

Your video codecs might not be compatible with the Windows operating system, leading to the 0xc00d5212 error. If your operating system is out-of-date, you may not be able to watch particular videos due to a lack of support for the latest codecs.

1. To open Windows Settings, press Windows + I.
2. Select “Update & Security.”
3. Select “Check for updates” under “Window Update“.

So that’s it. Now, again, check if the oxc00d5212 error code is fixed or not. If not, then don’t worry and perform the next fixes we have mentioned below.

Fix 4: Use a Different Media Player

You may have 0xc00d5212 error due to your current media player’s limitations, as it may not be able to play certain video formats with all codecs. Normally, this problem can be fixed by switching to a different media player with more compatibility.

There are different levels of codec support in different media players, and some of them may not be able to play certain types of files. If you receive an error 0xc00d5212, it may be because your current media player lacks the codecs required to play the video file.

However, there are other media players, such as 5KPlayer, you can consider as alternatives. In addition to support for a wide variety of video and audio codecs, this media player has a vast codec library.

Fix 5: Repair Corrupted Video Files

Video codecs can be damaged by malicious programs or damaged files, resulting in playback problems. Potential threats can be detected and eliminated with a malware scan using antivirus software.

The use of video repair software allows users to restore content, restore damaged video files, and eliminate interruptions that occur as a result of corrupted video files.

The information provided in this method helps you address Codec Error 0xc00d5212 and optimize the performance of video codecs.

If you have problems playing back video files due to corruption or damage, try using video repair software like VLC Media Player, which fixes issues such as missing frames, audio sync issues, and playback issues.

Fix 6: Convert the .avi video to a different file format

You can convert the .avi file to another playable format if you’re not concerned about the video format. In order to accomplish this, we will use a free website. With a premium application, you are able to select multiple formats, convert them faster, and convert them offline as well.

1. Use Google Chrome to search for online .avi conversion to MP4.
2. If the video does not play in Windows Media Player, click the Choose Files button and choose the file.
3. Alter the aspect ratio, video resolution, or frame rate as desired.
4. To convert your video to .mp4, select h.264 (the default) in the Select video codec drop-down menu. Another codec can be used if a different file format is more desirable.
5. To convert your video, click the Start Conversion button.

Fix 7: Resolve Registry issues with CCleaner

Windows Media Player refuses to play .avi video files due to faulty registry entries, according to many users. Use CCleaner, a freeware application that cleans up your registry.

1. Download CCleaner. You can download any file from this official website without worrying about malware.
2. Once you have downloaded the setup file, click on it to begin the installation process. To install CCleaner, simply follow the instructions on the screen.
3. Use the search bar or the shortcut to launch CCleaner.
4. From the left-side panel, select Cleaner. To begin the process, click the blue Run Cleaner icon. If you don’t wish to delete any options, you can uncheck them before cleaning begins.
5. Once the cleaning has been completed, switch to the Registry tab.
6. Once you click on the Scan for Issues button, the CCleaner will scan your Registry for errors. To fix any issues found, click on the Fix selected issues button.
7. Using the left-hand arrows, you can either fix all selected issues at once or review each issue individually.
   Your computer needs to be restarted.

Fix 8: Seek Professional Assistance

It may be time to seek expert assistance if all of the methods listed above haven’t resolved the 0xc00d5212 issue while watching movies. For assistance, contact the support department of your device manufacturer, the customer service department of your operating system, or an IT specialist.

So, that’s all we have for you on how to fix the Missing Codex 0xc00d5212 error on Windows 10/11 PC. It is our hope that this guide has been helpful to you. If you’re interested in more information, please comment below.