What causes "Zoom Error Code 10004"?

Zoom update servers unreachable or down Unstable internet connection Antivirus or firewall blocking Zoom's connection Failed or corrupted automatic update No admin rights on a work-managed computer

How do I fix "Zoom Error Code 10004"?

1. Check Zoom's service status: Open status.zoom.us in a browser If Zoom Meetings is not 'Operational', wait for Zoom to resolve the incident before troubleshooting further 2. Update Zoom manually: Click your profile picture > Check for Updates If the app won't open, download the latest installer from zoom.us/download 3. Allow Zoom through Windows Defender Firewall: Open Windows Security > Firewall & network protection > Allow an app through firewall Click Change settings, find Zoom and tick Private and Public Click OK and restart Zoom 4. Clear Zoom's cached data: Quit Zoom Windows: open %APPDATA% and delete or rename the Zoom data folder Reopen Zoom and sign in again 5. Restart your router or use Ethernet: Unplug the router for a minute and reconnect Use a wired connection if Wi-Fi is unreliable 6. Ask IT to install the update: On managed PCs, the update may need an administrator account Ask IT to push the latest Zoom version

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Zoom Error Code 10004

Workaround available Windows, macOS Updated October 21, 2026

Quick answer

Error 10004 means Zoom couldn't reach its servers to update itself. Check Zoom's status, allow Zoom through your firewall/antivirus, and update or reinstall manually.

Most likely fix: Check Zoom's service status.

Symptoms

Zoom fails to open, update or install and shows error code 10004.

Why it happens

Zoom update servers unreachable or down
Unstable internet connection
Antivirus or firewall blocking Zoom's connection
Failed or corrupted automatic update
No admin rights on a work-managed computer

How to fix it

Try these in order — the most common fix is first.

1. Check Zoom's service status
1. Open status.zoom.us in a browser
2. If Zoom Meetings is not 'Operational', wait for Zoom to resolve the incident before troubleshooting further
2. Update Zoom manually
1. Click your profile picture > Check for Updates
2. If the app won't open, download the latest installer from zoom.us/download
3. Allow Zoom through Windows Defender Firewall
1. Open Windows Security > Firewall & network protection > Allow an app through firewall
2. Click Change settings, find Zoom and tick Private and Public
3. Click OK and restart Zoom
4. Clear Zoom's cached data
1. Quit Zoom
2. Windows: open %APPDATA% and delete or rename the Zoom data folder
3. Reopen Zoom and sign in again
5. Restart your router or use Ethernet
1. Unplug the router for a minute and reconnect
2. Use a wired connection if Wi-Fi is unreliable
6. Ask IT to install the update
1. On managed PCs, the update may need an administrator account
2. Ask IT to push the latest Zoom version

This guide also covers

zoom error 10004
zoom error code 10004
zoom update error 10004

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