How To Fix this Blu-ray Disc needs a library for AACS decoding [Step by Step]

Some Windows users try to play the Blu-ray disc with the help of VLC media player then they always receive an error that is this Blu-ray Disc needs a library for AACS decoding.

This is not a specific Windows version error; it appears in all Windows including 7, 8, and Windows 10. Other than this the error also appears on a different version of VLC media player.

Causes of this Blu-ray Disc needs a library for AACS decoding?

We explore this error by applying the different solutions that are used by some other users to resolve this error “this Blu-ray Disc needs a library for AACS decoding” message.

From this analysis, we collect some common situations in which this error message occurs.

  • AACS and B plus technologies defend the Blu-Ray disc: Basically the Blu-Ray disc is totally protected by the B plus technologies and AACS. This is the main reason that standard libbluray library don’t play the Blu-Ray discs. If this is the main reason then you should install the libaacs library.
  • Another reason is KeyDB.cfg: The other reason for the error that Blu-ray Disc needs a library for AACS decoding is that the KeyDB.cfg file is not present on your computer. Basically this missing file is required by the libaacs library.

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If you are facing this error this Blu-ray Disc needs a library for AACS decoding and want to solve this problem then you are in the right place.

We are going to tell some different steps to solve this problem, so read the complete article; all the steps are given below.

How to resolve this Blu-ray Disc needs a library for AACS decoding error message

Step 1: To play the Blu-Ray discs on your Windows you should install the latest version of VLC media player if you are using the old version.

But remember that you should install and download and install the 64bit version of VLC media player if you are using the 64bit Windows version, other than this install the 32bit version if you are using the 32bit Windows.

Step 2: After installing the latest version of VLC media player then go to the website https://vlc-bluray.whoknowsmy.name/ and download the AACS dynamic library(libaacs.dll) and also download the keys database(KEYDB.cfg).

Also, note that download the 32bit version if you are using 32bit Windows and if you are using 64bit Windows then download the 64bit versions

When you download these two files AACS dynamic library(libaacs.dll) and the key database file (KEYDB.cfg) these files should be present in your computer.

Step 3: After downloading these files go to the C/programData and then here you need to create a new folder and rename it as “aacs”.

After doing all this move your downloaded file into this folder that is KEYDB.cfg.

Step 4: Now go to the C/Program Files/VideoLAN/VLC after this move your other downloaded file here that is AACS dynamic library (libaacs.dll).

If you are using the 32bit version of Windows then you can find the VLC directory in the C:/Program Files(x86).

Step 5: All done, now you can easily play the Blu-Ray disc with the help of VLC media player on your Windows computer you just have to click on the Media>Open Disc>Blu-ray.

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Play Blu-ray movie with the help of VLC on MAC

If you are a user of MAC and facing the same problem this Blu-ray Disc needs a library for AACS decoding and want to play Blu-ray movies then we are going to describe all the steps to solve this problem, basically, the steps for MAC are much similar to the Windows computer.

Step 1: First download the latest version of the VLC media player for your MAC; you can download it with the help of website Videolan.org

Step 2: Now go to the website https://vlc-bluray.whoknowsmy.name/ and download the important files.

First one is Keys database, after downloading this file put it in ~/Library/Preferences/aacs/. If it does not exist in your MAC then you need to create it.

The other file AACS dynamic library, when you download this file then right-click on the VLC and select the option “Show package content” and put the downloaded file in Contents/MacOS/lib/

Step 3: Now all done, run the VLC media player and then insert the Blu-ray disc, your Blu-ray movie will start playing.

Play Blu-ray disc echoshare Blu-ray player instead of VLC media player:

In addition to not having a valid processing key in the aacs configuration file error, you may receive many other error alerts when using VLC Media Player to play Blu-ray discs, especially encrypted Blu-ray discs.

So, what is the best alternative to VLC to play Blu-ray content? I will say that the echoshare Blu-ray player is what you need. Unlike VLC, echoshare Blu-ray Player was created to play Blu-ray on a computer. In other words, it is born to play Blu-ray video, which is its destiny.

With almost all the necessary built-in keys and software packages, regardless of AACS, and B +, you can play commercial Blu-ray content (Blu-ray disc/folder/ISO file) without any complicated settings. Protected one-click easy to play.

Convert Blu-ray discs to digital and unprotected video files

Another option here is to convert the Blu-ray disc to a digital video file and remove the AACS protection at the same time so that you can play the converted video in any location without restrictions.

Leawo Blu-ray Ripper is the Blu-ray conversion tool we will use. It supports ripping and converting encrypted (AACS, B + and MKB) Blu-ray movies from discs, folders and ISO image files to more than 180 video types, including HD MP4, MOV, MKV, WMV, etc.

Let’s see how we can do this.

Step 1: Download and install Leawo Prof. Media

Step 2: start the program, go to the conversion module, put your Blu-ray disc into the drive slot, and then click to add the program to add a Blu-ray / DVD > Add from CD-ROM button.

Step 3: Configure the output video settings suitable for you. Click the drop-down menu called MP4 video, and then click the Edit drop-down box; you can change the video codec, resolution, bit rate, and frame rate and audio settings. Click on the change, you can change the video format MKV, MOV, AVI, etc. in the drop-down box.

Step 4: Verify your output settings and then click the conversion rate to start ripping Blu-ray discs. Enjoy your Blu-ray video everywhere.

Article Resource: https://windowsreport.com/blue-ray-disc-needs-library-aacs-decording/

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