Error map

The installer encountered an error that caused the installation to fail macOS: The installer encountered an error that caused the installation to fail. Contact the software manufacturer for assistance.

macOS · layer 6, Platform & cloud

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Centre: this error. First ring: errors it is linked with (8). Outer ring: what those are linked with. Colours show the layer of a request each error belongs to. Click any dot to re-centre the map on it; hover to follow its connections. The centre dot opens the error page.

The installer encountered an error that caused the installation to fail — macOS: The installer encountered an error that caused the installation to fail. Contact the software manufacturer for assistance. (macOS)The install…launchctl: Load failed: 5: Input/output error — macOS: Bootstrap failed: 5: Input/output error / launchctl load: Load failed: 5: Input/output error (macOS)launchctl: Load fai…Homebrew: No available formula with the name — Homebrew: Error: No available formula with the name "x". Did you mean ...? (macOS)Homebrew: No availa…Your Command Line Tools are too outdated — Homebrew: Error: Your Command Line Tools (CLT) are too outdated. Update them from Software Update / Please update to the latest macOS (macOS)Your Command Line T…Homebrew Cask: It seems there is already an App at — Homebrew: Error: It seems there is already an App at '/Applications/Chrome.app' (macOS)Homebrew Cask: It s…zsh: bad CPU type in executable — macOS (Apple Silicon): zsh: bad CPU type in executable: ./tool (macOS)zsh: bad CPU type i…hdiutil: image not recognized / no mountable file systems — macOS: hdiutil: attach failed - image not recognized / no mountable file systems (macOS)hdiutil: image not …Apple could not verify "x" is free of malware — macOS: “app” cannot be opened because Apple cannot check it for malicious software / Apple could not verify “app” is free of malware that may harm your Mac (macOS)Apple could not ver…Not enough free space to install macOS update — macOS: There is not enough available storage to install this update / Installation of macOS could not continue (macOS)Not enough free spa…Job for x.service failed — Job for nginx.service failed because the control process exited with error code (Linux)Job for x.service f…Unit not found — Failed to start x.service: Unit x.service not found (Linux)Unit not foundStart request repeated too quickly — systemd: Start request repeated too quickly / service hit its start limit (Linux)Start request repea…zsh: command not found: brew — macOS: zsh: command not found: brew (Homebrew not on PATH on Apple Silicon) (macOS)zsh: command not fo…Homebrew: Permission denied @ dir_s_mkdir — Homebrew: Error: Permission denied @ dir_s_mkdir - /usr/local/Cellar / /opt/homebrew is not writable (macOS)Homebrew: Permissio…Homebrew: Failed to update / fatal: unable to access — Homebrew: Error: Failure while executing; `git fetch --force origin` exited with 128 / fatal: not in a git directory (macOS)Homebrew: Failed to…No Xcode or CLT — gyp: No Xcode or CLT version detected! (npm)No Xcode or CLTinvalid active developer path — xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun (iOS)invalid active deve…You have not agreed to the Xcode license agreements — macOS: Agreeing to the Xcode/iOS license requires admin privileges, please run "sudo xcodebuild -license" and then retry this command (macOS)You have not agreed…xcode-select: error: tool 'xcodebuild' requires Xcode — macOS: xcode-select: error: tool 'xcodebuild' requires Xcode, but active developer directory '/Library/Developer/CommandLineTools' is a command line tools instance (macOS)xcode-select: error…"x" can't be opened because it is from an unidentified developer — macOS: “app” can’t be opened because it is from an unidentified developer (macOS)"x" can't be opened…zsh compinit: insecure directories — zsh: compinit: insecure directories, run compaudit for list. Ignore insecure directories and continue [y] or abort compinit [n]? (macOS)zsh compinit: insec…exec format error — exec /usr/local/bin/docker-entrypoint.sh: exec format error (Docker)exec format errorzsh: no matches found — zsh: no matches found: package[extra] (glob pattern not matched) (macOS)zsh: no matches fou…mach-o file, but is an incompatible architecture — macOS: dlopen: mach-o file, but is an incompatible architecture (have 'x86_64', need 'arm64') (macOS)mach-o file, but is…hdiutil: create failed - Resource busy — macOS: hdiutil: create failed - Resource busy (or: hdiutil: couldn't eject "disk2" - Resource busy) (macOS)hdiutil: create fai…REMOTE HOST IDENTIFICATION HAS CHANGED — WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! (ssh host key changed) (Linux)REMOTE HOST IDENTIF…NO_PUBKEY — The following signatures couldn't be verified because the public key is not available: NO_PUBKEY (Linux)NO_PUBKEYis damaged and can’t be opened — macOS: “App” is damaged and can’t be opened. You should move it to the Trash. (macOS)is damaged and can’…ENOSPC — no space left on device (Docker / Linux) (Docker)ENOSPCTime Machine couldn't complete the backup — macOS: Time Machine couldn't complete the backup. / The backup disk image could not be mounted / Backup failed with error 18/19/21/22 (macOS)Time Machine couldn…

Directly related (8)

launchctl: Load failed: 5: Input/output errormacOS

macOS: Bootstrap failed: 5: Input/output error / launchctl load: Load failed: 5: Input/output error

launchd couldn't load a LaunchAgent/Daemon plist — it's invalid, already loaded, or has the wrong ownership/permissions.

Homebrew: No available formula with the namemacOS

Homebrew: Error: No available formula with the name "x". Did you mean ...?

Homebrew can't find a formula or cask with that name in the taps it knows.

Your Command Line Tools are too outdatedmacOS

Homebrew: Error: Your Command Line Tools (CLT) are too outdated. Update them from Software Update / Please update to the latest macOS

Homebrew requires a newer Command Line Tools version than the one installed.

Homebrew Cask: It seems there is already an App atmacOS

Homebrew: Error: It seems there is already an App at '/Applications/Chrome.app'

A cask install failed because the app is already installed manually (or a leftover exists).

zsh: bad CPU type in executablemacOS

macOS (Apple Silicon): zsh: bad CPU type in executable: ./tool

You ran an Intel (x86_64) program on an Apple Silicon Mac without Rosetta 2 (or an arm64 binary on an Intel Mac).

hdiutil: image not recognized / no mountable file systemsmacOS

macOS: hdiutil: attach failed - image not recognized / no mountable file systems

The `.dmg` file is corrupted, incomplete, or not actually a disk image (often an HTML download page).

Apple could not verify "x" is free of malwaremacOS

macOS: “app” cannot be opened because Apple cannot check it for malicious software / Apple could not verify “app” is free of malware that may harm your Mac

Gatekeeper blocked an app that is not notarized by Apple.

Not enough free space to install macOS updatemacOS

macOS: There is not enough available storage to install this update / Installation of macOS could not continue

Software Update needs several GB of free space (often 25-35 GB) to download and stage the update.

Two steps away (21)

Job for x.service failedLinux

Job for nginx.service failed because the control process exited with error code

systemd tried to start the service, but its start command failed. The real reason is in the service’s status/journal.

Unit not foundLinux

Failed to start x.service: Unit x.service not found

systemd has no unit with that name — the package isn’t installed, the name differs on this distro, or a new unit file wasn’t load…

Start request repeated too quicklyLinux

systemd: Start request repeated too quickly / service hit its start limit

The service crashed and restarted several times in a short period, so systemd stopped trying (StartLimitBurst).

zsh: command not found: brewmacOS

macOS: zsh: command not found: brew (Homebrew not on PATH on Apple Silicon)

Homebrew is installed in /opt/homebrew on Apple Silicon Macs, which isn’t on PATH until you add its shellenv line.

Homebrew: Permission denied @ dir_s_mkdirmacOS

Homebrew: Error: Permission denied @ dir_s_mkdir - /usr/local/Cellar / /opt/homebrew is not writable

Homebrew can't write to its prefix because the folders are owned by another user or root.

Homebrew: Failed to update / fatal: unable to accessmacOS

Homebrew: Error: Failure while executing; `git fetch --force origin` exited with 128 / fatal: not in a git directory

`brew update` couldn't fetch the Homebrew repositories — network, a broken git state or safe.directory problems.

No Xcode or CLTnpm

gyp: No Xcode or CLT version detected!

node-gyp on macOS can’t find the Xcode Command Line Tools to compile native modules.

invalid active developer pathiOS

xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun

The Xcode Command Line Tools are missing or broken — typical right after a macOS update.

You have not agreed to the Xcode license agreementsmacOS

macOS: Agreeing to the Xcode/iOS license requires admin privileges, please run "sudo xcodebuild -license" and then retry this command

A new Xcode (or CLT) version needs its license accepted before command-line tools run.

xcode-select: error: tool 'xcodebuild' requires XcodemacOS

macOS: xcode-select: error: tool 'xcodebuild' requires Xcode, but active developer directory '/Library/Developer/CommandLineTools' is a command line tools instance

A command needs the full Xcode app, but `xcode-select` points to the Command Line Tools only.

"x" can't be opened because it is from an unidentified developermacOS

macOS: “app” can’t be opened because it is from an unidentified developer

Gatekeeper refuses to open an app that isn't signed with a registered Developer ID.

zsh compinit: insecure directoriesmacOS

zsh: compinit: insecure directories, run compaudit for list. Ignore insecure directories and continue [y] or abort compinit [n]?

zsh refuses to load completions from directories owned by another user or writable by others.

exec format errorDocker

exec /usr/local/bin/docker-entrypoint.sh: exec format error

The container tried to run a binary built for a different CPU architecture (arm64 vs amd64) — or a script with a broken shebang /…

zsh: no matches foundmacOS

zsh: no matches found: package[extra] (glob pattern not matched)

zsh treats `[ ]`, `*` or `?` in an argument as a glob and fails when nothing matches, unlike bash which passes the text through.

mach-o file, but is an incompatible architecturemacOS

macOS: dlopen: mach-o file, but is an incompatible architecture (have 'x86_64', need 'arm64')

A library or binary was built for a different CPU architecture than the process loading it.

hdiutil: create failed - Resource busymacOS

macOS: hdiutil: create failed - Resource busy (or: hdiutil: couldn't eject "disk2" - Resource busy)

A disk image operation failed because the volume or a file in it is still in use (Finder, Spotlight, a terminal).

REMOTE HOST IDENTIFICATION HAS CHANGEDLinux

WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! (ssh host key changed)

The server’s SSH host key differs from the one saved in ~/.ssh/known_hosts — usually because the server was rebuilt or the IP was…

NO_PUBKEYLinux

The following signatures couldn't be verified because the public key is not available: NO_PUBKEY

apt can’t verify a repository’s signature because the repo’s signing key isn’t installed (or has expired/rotated).

is damaged and can’t be openedmacOS

macOS: “App” is damaged and can’t be opened. You should move it to the Trash.

Gatekeeper blocked an app that isn’t properly signed/notarized or was modified after download (quarantine attribute).

ENOSPCDocker

no space left on device (Docker / Linux)

The disk (or inode table) is full — Docker images, build cache, logs and volumes are common culprits.

Time Machine couldn't complete the backupmacOS

macOS: Time Machine couldn't complete the backup. / The backup disk image could not be mounted / Backup failed with error 18/19/21/22

A Time Machine backup stopped because the destination is unavailable, full, or the backup set is damaged.