zoomrecovery 1.0.26

Fix Zoom error 1132 by clearing corrupted database files and rotating MAC addresses

ZoomRecovery

A macOS utility that fixes Zoom error 1132 by clearing corrupted Zoom database files and optionally rotating network MAC addresses to clear device identity cache.

What It Does

Zoom error 1132 occurs when the Zoom client stores corrupted authentication or state data in encrypted database files. The error persists across reinstalls because Zoom's data directory remains unchanged. ZoomRecovery resolves this by:

1. Wiping Zoom Data: Clears *.enc.db and viper.ini files in ~/Library/Application Support/zoom.us/data/
2. MAC Spoofing (optional, root required): Rotates MAC addresses on active physical network interfaces to break device identification
3. Reopening Zoom: Launches the Zoom app so it rebuilds clean state files

This approach is more effective than uninstalling Zoom, as it targets the root cause—corrupted persistent data—without disrupting the application itself.

Installation

Homebrew (Stable)

brew tap twinboi90/tap
brew install zoomrecovery

Homebrew (Development Version)

⚠️ Beta Testing Only — The development version includes new features and fixes but may be less stable than the current release. For Zoom 7.0.0 compatibility testing and security-hardened builds, install zoomrecovery-dev:

brew tap twinboi90/tap
brew install zoomrecovery-dev

Note: Only install the dev version if you're willing to test pre-release software and report issues. See TESTING_GUIDE.md for detailed testing instructions and how to report feedback.

To switch back to the stable version:

brew uninstall zoomrecovery-dev
brew install zoomrecovery

Manual

Download the latest .pkg installer from GitHub Releases and double-click to install.

Or clone and run install.sh directly:

git clone https://github.com/twinboi90/ZoomRecovery.git
cd ZoomRecovery
chmod +x install.sh && ./install.sh

Usage

Basic (Zoom Data Cleanup Only)

zoomrecovery

Clears Zoom's corrupted database files and reopens the app. Works without sudo, but prompts for your password to access data files.

Full Recovery (with MAC Spoofing)

Run with root privileges to additionally spoof MAC addresses on all active physical network interfaces:

sudo zoomrecovery

This is useful if error 1132 persists even after data cleanup, as the device may be blocked at the network level.

Version

zoomrecovery --version
zoomrecovery -v

How It Works

Zoom Data Wipe

The script targets two files in Zoom's persistent storage:

• *.enc.db: Encrypted SQLite databases containing Zoom's state, contacts, and authentication tokens
• viper.ini: Zoom's configuration file

The script safely wipes these files by:

1. Detecting and temporarily removing immutable flags (uchg) set by Zoom
2. Ensuring write permissions are available
3. Zeroing the file contents
4. Restoring original file permissions and flags

This forces Zoom to regenerate these files with fresh state on next launch.

MAC Spoofing (Root Mode)

When running with sudo, the script identifies all active physical network interfaces and applies random MAC addresses. This clears any device-level blocks Zoom's backend servers may have cached.

The process:

1. Detects active physical interfaces (excludes loopback, virtual, and tunnel adapters)
2. Powers down Wi-Fi if present (to enable MAC change)
3. Applies a randomly generated locally-administered MAC address
4. Re-enables the interface and renews DHCP
5. Repeats for all physical interfaces

Note: Some Ethernet adapters may not support MAC spoofing; the script handles this gracefully by skipping unsupported interfaces.

Process Cleanup

The script forcibly terminates all Zoom processes (including helper processes) before data cleanup to prevent file locks or conflicts:

pkill -9 -f zoom

Requirements

• OS: macOS 10.12 (Sierra) or later
• Dependencies: None (uses built-in macOS utilities: networksetup, ifconfig, chflags, chmod)
• Zoom: Must be installed (script uses open -a "zoom.us" to relaunch)

For root-required features (MAC spoofing), your user must have sudo privileges.

Troubleshooting

Script fails with "sudo failed" message

The script attempts to escalate to root to perform MAC spoofing. If sudo fails, it falls back to cleanup-only mode, which works without root. If you see this warning:

[!] sudo failed; continuing with partial functionality (Zoom data cleanup)…

The data cleanup will still occur. If you need MAC spoofing, check your sudo privileges:

sudo -v

Wi-Fi or Ethernet loses connectivity after running

MAC address changes require DHCP renewal. If connectivity doesn't return within 30 seconds, manually renew:

# For Wi-Fi (replace en0 if different)
networksetup -setairportpower Wi-Fi off
sleep 2
networksetup -setairportpower Wi-Fi on

# For Ethernet (adjust interface name as needed)
ipconfig set en0 DHCP

Check your active interfaces with:

ifconfig | grep "^[a-z]" | awk '{print $1}'

Zoom crashes immediately after opening

This indicates a different issue (likely missing dependencies or installer corruption). Try reinstalling Zoom:

# Remove Zoom
rm -rf /Applications/zoom.us.app
rm -rf ~/Library/Application\ Support/zoom.us

# Reinstall from https://zoom.us/download

Then run ZoomRecovery again.

"Could not detect a Wi-Fi interface" error

The script detected your system's Wi-Fi hardware port but couldn't identify its interface name. This is typically safe to ignore—the script will skip Wi-Fi MAC spoofing and process other interfaces. If you need Wi-Fi spoofing:

networksetup -listallhardwareports

And file an issue with the output on GitHub.

Implementation Notes

• Hard Kill: Uses pkill -9 -f zoom rather than graceful quit. This prevents Zoom helper processes from rewriting database files during shutdown, which would re-corrupt them.
• Glob Safety: Enables nullglob before expanding *.enc.db to avoid errors if no files match.
• Permission Preservation: Captures original file permissions with stat and restores them after wiping, preserving Zoom's permission model.
• MAC Generation: Creates locally-administered MACs using openssl rand to ensure uniqueness without vendor conflicts.

Contributing

Bug reports and pull requests are welcome. Please include:

• macOS version (sw_vers)
• Output from running with -x flag (debug mode): bash -x zoomrecovery
• Description of the error and whether standard troubleshooting (reinstall, cache clear) was attempted

License

MIT License. See LICENSE for details.

Feedback or issues? Open an issue on GitHub.