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Makemkv Automatic Hk Downloading Is Disabled Or Failed Upd ((link)) -

1. Overview of the Issue

Affected Software: MakeMKV (DVD/Blu-ray/UHD ripping tool)
Error Context: Occurs when MakeMKV attempts to download the latest HK (Hashed Keys) file, which is essential for decrypting newer Blu-ray and UHD discs.

Typical User-visible message:

Automatic HK downloading is disabled or failed.

Or in logs:

Downloading latest HK to C:/Users/.../MakeMKV/_private_data.tar...
Automatic HK downloading is disabled or failed.

Step-by-Step Troubleshooting (From Quickest to Most Thorough)

Do not panic. The error is almost always fixable. Follow these methods in order.

5.4. Clear Local HK Cache

Fix #4: The Manual Workaround

If the servers are temporarily down (which happens occasionally during high traffic or maintenance), you can often bypass the check by using the File > Open Files method rather than the automatic disc detection, though this is less reliable for brand-new discs. makemkv automatic hk downloading is disabled or failed upd

Alternatively, if you are trying to open a UHD disc, ensure your drive is actually UHD-compatible. If the drive firmware is "friendly" (revoked), the automatic download might fail because the drive itself is rejecting the command.

What Does "HK" Mean in MakeMKV?

Before diving into solutions, it’s crucial to understand the terminology. In MakeMKV, "HK" stands for "Hasn't Key" — an internal shorthand used by the developer (Mike Chen, from GuinpinSoft) to refer to the disc decryption keys.

Unlike old DVDs that used CSS (Content Scramble System), modern Blu-rays and UHD 4K Blu-rays use AACS (Advanced Access Content System) and BD+ encryption. To decrypt a disc on-the-fly, MakeMKV requires a regularly updated database of "Processing Keys" and "Host Certificates." These are collectively referred to as the HK data.

When MakeMKV launches, it attempts to:

  1. Automatically download the latest HK decryption keys from a remote server.
  2. If that fails or is disabled, it falls back to local HK data (built into the application).

The error means that both methods have failed: the automatic download did not work, and the local keys are either missing, outdated, or disabled.

Step 5: Manual HKEY Download

  1. If the automatic HKEY downloading process fails, you can try downloading the HKEY file manually.
  2. Go to the MakeMKV website and click on the HKEY button.
  3. Enter the hash key or the Blu-ray/DVD disc information to download the HKEY file manually.

Step 2: Disable Firewall or Antivirus Software

  1. Temporarily disable your firewall or antivirus software to see if it's interfering with MakeMKV's access to the internet.
  2. If you're using a Windows Defender, you can disable it by going to Settings > Update & Security > Windows Security > Virus & threat protection > Manage settings.
  3. If you're using a third-party antivirus software, consult the software's documentation for instructions on how to disable it.

Example post you can copy/paste

Title: MakeMKV “Automatic HK downloading is disabled” / key update fails — need help

Body: I’m running MakeMKV v[version] on [OS + version]. When I try to update the key database it shows “Automatic HK downloading is disabled” (or fails with: “[exact error message]”). I can rip discs but some fail due to missing keys.

What I’ve tried:

Still no luck. Logs show: “[paste the relevant log lines]”.

Any ideas? Could this be a key server outage or a TLS issue? Thanks!

If you want, tell me your OS and MakeMKV version and the exact error text and I’ll draft a shorter or more specific forum post for you.