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When you try to play a Blu-ray disc on your Windows 10 computer with the VLC application, sometimes you get the error message “This Blu-ray disc needs a library for AACS decoding”. One of the main causes of this error message is that the disk is protected by AACS and BD+ technology. Another possible reason is the lack of a KeyDB.cfg file. In this latest issue of our troubleshooting series, we'll take a look at the Blu-ray disc needing a library for AACS decoding issue.

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Blu-ray error:

This Blu-ray Disc needs a library for AACS decoding, and your system does not have it.
Your entry can't be opened:
VLC is unable to open the MRL 'bluray:///F:/'. Check the log for details.

What is an AACS decoder?

¿Qué es AACS? AACS es la abreviatura de Advanced Access Content System. En general, los contribuyentes de contents con licencia pueden usar la tecnología AACS para proteger el contenido que distribuyen en medios ópticos de próxima generación. Y estos usuarios con licencia disponen derecho a fabricar, producir y comercializar productos que cumplan con AACS, que tiene como target evitar actos ilegales al copiar medios ópticos. ¿Qué es un decodificador AACS? Un disco Blu-ray con AACS no se puede reproducir en ningún lugar a menos que esté equipado con un decodificador AACS. Y el decodificador AACS es la herramienta que puede ayudarnos a decodificar el contenido del disco para que podamos reproducirlo sobre la marcha. Aquí es donde entra la preocupación: ¿Cuáles son los pasos en la decodificación AACS para VLC?

Add library files to AACS

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Nota Los siguientes pasos requieren que descargue un archivo de un portal Web de terceros. Su browser puede mostrarlo como inseguro. Hemos escaneado los archivos y hemos determinado que su uso es seguro.

A pesar de todo, debido a la naturaleza sin firmar del archivo, la Url y el archivo son marcados primero por el navegador y posteriormente por la computadora. La descarga del archivo corre por su cuenta y riesgo.

  • Please refer to this link. https://vlc-bluray.whoknowsmy.name/.
  • Type the URL in the address bar and tap Sign in.
  • Es factible que vea un mensaje de advertencia que indica que el sitio no tiene un certificado SSL.
  • Click on the following link if you wish to continue.
  • Under Key Database, click the Get File link.
  • This will allow you to download the KeyDB.cfg file.
  • Then, in the AACS Dynamic Library section, click the hyperlink to the file associated with your version of VLC Media Player.
  • After downloading, copy the KEYDB.cfg file.
  • Press Windows + R to open Run.
  • Type % Appdata% and click OK.
  • If you are roaming, click the “New Folder” icon at the top of the page.
  • Rename the folder to aacs.
  • Open the newly created aacs folder and paste the KEYDB.cfg file you copied in step 5.

Add libaacs.dll to VLC installation folder

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  • Get the dynamic AACS file you downloaded now.
  • If you are using an x86 version of VLC Media Player on a x64 version of Windows, basically browse to the following location,
  • C: Program Files (x86) VideoLAN VLC
  • If you are using a x64 version of VLC Media Player on a x64 version of Windows or an x86 version of VLC Media Player on a x86 version of Windows, basically navigate to the following location,
  • Files C: / VideoLAN
  • In short, add the dynamic library file libaacs.dll at this point.
  • Now open the VLC Media Player and click when the error is fixed.

The above link to download the specified files will result in an error stating that the site's SSL certificate is invalid. You can only ignore it for this site, since no malicious activity has been reported against this certificate.

https://thedroidguy.com/how-to-fix-this-blu-ray-disc-needs-a-library-for-aacs-decoding-issue-1110435

RECOMMENDED: Click here to fix Windows errors and get the most out of your system performance