Error Fix: 0xC10100BF This File Isn't Playable on Windows 11/10

When you download an MP4 file on your Windows 11/10, or copy it to your PC from an external source, and try to play it with Windows Media Player, it doesn't respond. Many Windows 11 or 10 users report being unable to play videos using Windows Media Player or Movies and TV and receiving error code 0xc10100bf. In this article, I will show you the most effective ways to fix the error code 0xC10100BF this file isn't playable on Windows 11/10.

Way 1: Convert file format

Incompatible file formats can cause error code 0xc10100bf. Thus, please check the file format and see if the Windows Media Player you are using supports it.

File formats supported by Windows Media Player: 3GP, AAC, AVCHD, MPEG-4, WMV, and WMA. It also supports most AVI, DivX, MOV, and Xvid files.

If the file format is not supported by the Windows Media Player, use a video converter to convert the file format to a format supported by the media player. After the conversion, the file should be playable.

If the file format is in the supported list of the Windows Media Player, please skip to the next way.

Way 2: Run Windows Media Player Troubleshooter

Step 1: Search for Control Panel in the start menu bar and open it.

Step 2: Type troubleshooting in the search box of the control panel and select "Troubleshooting" from the options listed below.

Step 3: Click "View All" on the left-hand side window.

Step 4: Find the "Windows Media Player Settings" from the drop-down options and click on it.

Step 5: In the pop-up window, click the "Advanced" Option.

Step 6: First make sure the box next to the "Apply repairs automatically" option is checked. Second, click on "Run as administrator". Finally, click on the "Next" button to continue with the troubleshooting process.

Step 7: After the process is complete, select "Apply this fix" if the troubleshooter has any suggestions.

Step 8: After troubleshooting is complete, reboot your PC and check if the error is fixed when playing the video.

Way 3: Run Video Playback Troubleshooter

Step 1: Press Windows + R simultaneously to open Run, type the command ms-settings:troubleshoot and click OK to open troubleshooter.

Step 2: In the right window drop down and select "Additional troubleshooters" at the bottom.

Step 3: Find the "Video Playback" option and click "Run the troubleshooter". It will automatically find and fix problems with playing movies, TV shows, or videos.

Step 4: Restart your PC and check if you can play video files normally.

Way 4: Turn off/on Windows Media Player

Step 1: Use Windows + R to open Run and type the following command to open Windows Features.

Step 2: In the Windows Features dialog box, find the "Media Features" folder and expand it, uncheck Windows Media Player.

Step 3: Click "Yes" in the pop-up prompt.

Step 4: Reboot your PC, once your Windows is up and running, repeat step 1 above. Check the box next to Windows Media Player to enable it again.

Step 5: Reboot your PC again. Try to open the video file and check if the error is resolved.

Way 5: Try the VLC Media Player

Step 1: Download and install VLC Media Player.

Download link: VLC media player

Step 2: In the VLC media player, add the media file you want to play. And check if the error code still exists or not.