Inside that folder on your computer, MakeMKV stores _private_data.tar . If this file is corrupted, MakeMKV can't save new keys.
The "Automatic HK" system works best on the latest version of the app. If you are running a version of MakeMKV that is several years old, the hardcoded server URLs might be outdated. Always ensure you are running the latest stable build from the official site. makemkv automatic hk downloading is disabled or failed upd
Your internal MakeMKV settings have "Enable Internet Access" unchecked. How to Fix the "HK Downloading Failed" Error 1. Enable Internet Access in Settings Inside that folder on your computer, MakeMKV stores
Ensure makemkvcon.exe and makemkv.exe have permission to communicate over the network. 3. Manual Key Integration (The "SDF" Method) Inside that folder on your computer