To fix this, you must bypass regional server blocks, adjust network routing, or manually install the required key definitions into the software’s directory. What is an HK File and Why Does It Fail?
The failure is usually caused by network-level blocks, as the key servers are located in regions (such as Russia) that many ISPs, firewalls, and DNS services proactively block.
The error in MakeMKV occurs when the software cannot reach its server to download required Hash Keys (HK) . These keys are essential for identifying and decrypting specific discs, particularly 4K/UHD titles. Why This Happens
This article explains what HK data is, why it matters, how the error arises, and step-by-step fixes for all major platforms. makemkv automatic hk downloading is disabled or failed upd
The error message is a common obstacle encountered by users attempting to rip 4K Ultra HD (UHD) Blu-ray discs. It indicates that the application cannot pull down the critical Hash Key (HK) updates required to crack newer AACS 2.0 digital rights management protections .
Test manually:
In this post, we will explain what this error means, why it happens, and the two easiest ways to fix it. To fix this, you must bypass regional server
If you are seeing the status message Automatic HK downloading is disabled or failed upd in MakeMKV, it means the software cannot connect to the online decryption key database to retrieve the necessary keys for your disc.
If changing DNS doesn’t work, the issue may be that your ISP or network administrator is actively blocking traffic to Russian IP addresses. A VPN can bypass this by routing your connection through a server in another country.
Also ensure ~/.MakeMKV/ has write permissions: The error in MakeMKV occurs when the software
If the automatic download continues to fail, you can bypass the automatic system entirely. Method 1: The Manual SDF Update (Recommended)
If the server is down, you can sometimes bypass the automatic download by ensuring your is working. In Preferences > General , look for your "Data directory."
To decode standard Blu-rays and DVDs, MakeMKV relies on older, static decryption methods. However, 4K UHD discs use advanced AACS 2.0 protection where player keys have not leaked. Instead, MakeMKV decrypts these discs by computing "title keys" verified against a master .
Troubleshooting MakeMKV: "Automatic HK downloading is disabled or failed"