If you can not play the video. Then there is with your browser’s widevine plugin. This happens when the plugin does not updates with the latest version.
How to fix Widevine Content Decryption Module update error
Update your plugin.
Enable Widevine Content Decryption Module.
Reinstall the Widevine Content Decryption Module.
Try to give full permission to Widevine Content Decryption Module.
I found this amazing way to fix Widevine Content Decryption Module.
you can read full guide from here https://www.techbian.com/widevine-content-decryption-module-update-error/
If you can not play the video. Then there is with your browser’s widevine plugin. This happens when the plugin does not updates with the latest version. How to fix Widevine Content Decryption Module update error Update your plugin. Enable Widevine Content Decryption Module. Reinstall the Widevine Content Decryption Module. Try to give full permission to Widevine Content Decryption Module. I found this amazing way to fix Widevine Content Decryption Module. you can read full guide from here https://www.techbian.com/widevine-content-decryption-module-update-error/