If these steps don't work, run brew doctor to identify deeper configuration issues. You can also verify GitHub's current status on the GitHub Status Page to ensure ghcr.io isn't experiencing a global outage.
If you previously set a custom mirror for bottles, it might be broken. Check your environment: env | grep HOMEBREW_BOTTLE_DOMAIN . download failed https //ghcr.io/v2/homebrew/core
: Temporary files in your Homebrew download directory can become corrupted, leading to manifest mismatches. If these steps don't work, run brew doctor
git -C "$(brew --repo)" remote set-url origin https://github.com/Homebrew/brew git -C "$(brew --repo homebrew/core)" remote set-url origin https://github.com/Homebrew/homebrew-core Use code with caution. 3. Bypass Firewall or VPN Issues If you are on a work network, ghcr.io might be restricted. Check your environment: env | grep HOMEBREW_BOTTLE_DOMAIN
Corrupted manifests are a frequent culprit. Cleaning the cache forces Homebrew to download fresh files. : brew cleanup . Manual removal : Delete specific download folders: rm -rf ~/Library/Caches/Homebrew/downloads/* Use code with caution. 2. Update Homebrew and Formulae