Instructions to fix errors 5000, 5003, 5004, 104101-104118... on Zoom

Errors 5000, 5003, 5004, and 104101-104118 indicate that your computer is unable to connect to Zoom. This could be due to a program blocking the connection or your network configuration not allowing you to connect.

Table of Contents:
1. Check your Internet connection.
2. Turn off all background programs.
3. Turn off your antivirus and firewall.
4. Add Zoom.us to your list of trusted sites.
5. Turn off the proxy server.
6. Update Zoom to the latest version.

How to fix errors 5000, 5003, 5004, 104101-104118. on Zoom

1. Check Internet connection

First, check your modem and router to make sure they're working properly. Check to see if there are any devices interfering with your Wi-Fi signal. If you're using an old router, it might be time to upgrade.

If you're having bandwidth issues, try switching from Wi-Fi to an Ethernet connection. If that doesn't work, go into your router settings and select a different Wi-Fi channel. Make sure you're not in a Wi-Fi dead zone and disconnect other devices that are hogging bandwidth. A weak or unstable network could also be the reason you're unable to connect to the Zoom server.

2. Turn off all background programs

Step 1: Right click on Task Bar =>  select Task Manager.

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Step 2: Click on each program => select  End task

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Finally, reopen Zoom and check if the error is resolved. If the problem persists, continue with the troubleshooting steps below.

3. Turn off antivirus software and firewall

Your firewall or antivirus software may be preventing your computer from connecting to the Zoom servers. The quickest way to test this is to disable your firewall and antivirus software. If the error disappears after disabling them, it's clear that your antivirus or firewall is the culprit.

To turn off the firewall on Windows 10, do the following:

Step 1: Enter the keyword Windows Defender Firewall into Windows Search and click on the corresponding search result.
Step 2: Select Turn Windows Defender Firewall on or off in the left panel.

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Step 3: Then, you tick:

- Turn off Windows Defender Firewall (not recommended) in Private network settings
- Turn off Windows Defender Firewall (not recommended) in Public network settings.

Finally, click OK to save changes.

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4. Add Zoom.us to your list of trusted sites

Step 1: Type the keyword Internet Options into Windows Search and click on the corresponding search result.
Step 2: Click on the Security tab > Trusted Sites > Sites.

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Step 3: In the Add this website to the zone field , enter https://zoom.us => click  Add.

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5. Turn off proxy server

Similar to firewalls and antivirus software, proxy servers can also cause errors 5000, 5003, 5004, 104101-104118 on Zoom.

To check, you can disable the proxy server by typing the keyword " Proxy " into Windows Search and selecting " Proxy settings " from the search results.

Next, disable the " Use a Proxy Server " option to check if that is the cause of the error.

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6. Update Zoom to the latest version

If you haven't updated Zoom in a while, check for available updates and update immediately. New updates often bring new features, improvements, and bug fixes, so you should update Zoom as soon as it's available.

This article has guided you through how to fix errors 5000, 5003, 5004, 104101-104118. on Zoom. Try applying each solution to fix the problem. If the problem is still not resolved, you should contact Zoom's help center and report the error for support.

Samuel Daniel

Update 19 February 2025