{"id":118916,"date":"2021-07-01T08:33:05","date_gmt":"2021-07-01T08:33:05","guid":{"rendered":"https:\/\/www.leawo.org\/entips\/?p=118916"},"modified":"2021-07-01T08:33:05","modified_gmt":"2021-07-01T08:33:05","slug":"fixed-this-blu-ray-disc-needs-a-library-for-aacs-decoding-1400","status":"publish","type":"post","link":"https:\/\/www.leawo.org\/entips\/fixed-this-blu-ray-disc-needs-a-library-for-aacs-decoding-1400.html","title":{"rendered":"Fixed - This Blu-ray Disc Needs a Library for AACS Decoding"},"content":{"rendered":"

\u201cWhen I tried to play a Blu-ray disc, I get an error message that says \u2018This Blu-ray Disc needs a library for AACS decoding\u2019 on the VLC media player. What\u2019s wrong with this? Why can\u2019t I directly play back the Blu-ray discs with VLC media player?\u201d<\/i><\/p>\n

As one of the most popular media player software tools, VLC media player has quite a few functions for people to fully enjoy movie experience. You could use VLC media player to do a lot of things, such as editing videos<\/a><\/strong>, converting videos<\/a><\/strong>, downloading online live streams<\/a><\/strong>, etc. Some people have been reporting the error message of \u201cThis Blu-ray disc needs a library for AACS decoding\u201d while playing Blu-ray discs. What\u2019s wrong with this? How can you solve \u201cThis Blu-ray disc needs a library for AACS decoding<\/b>\u201d for VLC media player? Check the below content to learn the solutions.<\/p>\n

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Menu<\/p>\n

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  1. Causes of this error in VLC<\/a> <\/li>\n
  2. Method 1: Add libraries files to AACS in VLC player<\/a> <\/li>\n
  3. Method 2: Use Leawo Blu-ray Ripper to remove AACS upon Blu-ray disc <\/a> <\/li>\n
  4. Method 3: Try another media player that doesn't require an AACS installation <\/a> <\/li>\n
  5. Conclusion <\/a> <\/li>\n<\/ol>\n<\/div>\n

    Causes of this error in VLC <\/strong><\/h2>\n

    You may firstly want to learn the possible causes of \u201cThis Blu-ray disc needs a library for AACS decoding\u201d error in VLC media player. We have investigated this particular by looking at some methods that other users in a similar situation have successfully solved this error. Based on our investigation, there are a couple of common scenarios that will trigger this particular error message:<\/p>\n

    \"Blu<\/a><\/div>\n

    The below are the common causes of \u201cThis Blu-ray disc needs a library for AACS decoding\u201d error in VLC media player. You might try to check these below:<\/p>\n

    \n
  6. Blu-ray disc is protected by AACS and BD+ technologies<\/b><\/li>\n<\/h3>\n

    Nowadays, most commercial Blu-ray discs are protected by AACS and BD+ technologies, which protect the Blu-ray discs from being copied or played back without authorization. Because of this, the standard library is not enough to playback these disks. In this scenario, the solution is to install the libaacs library.<\/p>\n

    \n
  7. The KeyDB.cfg file is missing<\/b><\/li>\n<\/h3>\n

    Another common reason why Blue-ray playback fails with this particular error is the KeyDB.cfg file is missing from your computer. This file is needed by the libaacs library.<\/p>\n

    If you\u2019re struggling to resolve this particular error message, check the below content to learn the detailed solutions.<\/p>\n

    Method 1: Add libraries files to AACS in VLC player <\/strong><\/h2>\n

    Then, how to solve the \u201cThis Blu-ray disc needs a library for AACS decoding<\/b>\u201d error on VLC media player? The first solution is to add library files for removing the AACS and BD+ protections. You need to download a file from a third-party site. While your browser may show it as unsafe. We have scanned the files and found them to be safe to use.<\/p>\n

    \"Blu<\/a><\/div>\n

    You could follow the below guide to learn how to download and install library files to AACS for VLC media player:<\/p>\n

    \n1.<\/b> Visit this VLC Blu-ray library page<\/strong><\/a>.
    \n2.<\/b> Type in the URL in the address bar and hit enter.
    \n3.<\/b> You may see a warning showing the site does not have an SSL certificate.
    \n4.<\/b> Click on the continue link if you want to proceed.
    \n5.<\/b> Under Keys Database, click on the get the file link.
    \n6.<\/b> It will download the KeyDB.cfg<\/b> file.
    \n7.<\/b> Next, under the AACS Dynamic Library section, click that file hyperlink associated with your VLC Media Player version.
    \n8.<\/b> Once downloaded, copy the KEYDB.cfg file.
    \n9.<\/b> Press Windows Key<\/b> + R<\/b> to open Run.
    \n10.<\/b> Type %Appdata%<\/b> and click OK.<\/p>\n

    \"Blu<\/a><\/div>\n

    \n11.<\/b> In the Roaming folder, click the New folder<\/b> icon on top.
    \n12.<\/b> Name the folder as aacs.
    \n13.<\/b> Open the newly created aacs folder and paste the KEYDB.cfg<\/b> file copied in step 5.
    \n14.<\/b> Now, open the download folder and copy the libaacs.dll file to your clipboard.
    \n15.<\/b> Open File Explorer and navigate to the following location: C:\\Program Files\\VideoLAN\\VLC or C:\\Program Files(x86)\\VideoLAN\\VLC <\/p>\n

    \"Blu<\/a><\/div>\n

    \n16.<\/b> Paste the copied libaacs.dll file inside the VLC folder.
    \n17.<\/b> Once done, launch VLC Media Player and try playing the Blu-ray disc that was triggering the Blu-ray disc that needs a library for AACS decoding error previously.
    \nAfter copying the required library files to the correct folder, the VLC Media Player should have solved the error of \u201cThis Blu-ray disc needs a library for AACS decoding\u201d and play the Blu-ray disc smoothly.<\/p>\n

    Method 2: Use Leawo Blu-ray Ripper to remove AACS upon Blu-ray disc <\/strong><\/h2>\n

    Another solution to fix \u201cThis Blu-ray disc needs a library for AACS decoding<\/b>\u201d error is actually to remove the AACS and other disc protections upon Blu-ray discs, and convert protected Blu-ray discs to digital videos for unlimited playback. There are quite a few Blu-ray disc converter tools, but quite few Blu-ray converters could remove the AACS and other disc protections upon Blu-ray discs. Leawo Blu-ray Ripper<\/a><\/strong> could.<\/p>\n

    With advanced disc decryption technologies, Leawo Blu-ray Ripper could help you remove the AACS, BD+ and the latest MKB protection upon Blu-ray discs, and then convert Blu-ray discs to digital video files. It could decrypt, rip and convert Blu-ray to MP4<\/a><\/strong>, BDMV to MKV, Blu-ray to AVI, Blu-ray to WMV, etc., and extract audio off Blu-ray movies<\/a><\/strong> to save in MP3, AAC, FLAC, etc. You could use Leawo Blu-ray Ripper to remove AACS protection upon Blu-ray discs and convert protected Blu-ray discs to digital videos to avoid \u201cThis Blu-ray disc needs a library for AACS decoding\u201d error.<\/p>\n

    The below guide would show you how to remove the AACS and other protections upon Blu-ray discs with Leawo Blu-ray Ripper. At first, download and install this Blu-ray to video converter on your computer. (Mac users should download the Leawo Blu-ray Ripper for Mac<\/a><\/strong>) Meanwhile, insert source Blu-ray discs into the Blu-ray drive for converting.<\/p>\n