How to Resolve: “Can’t Connect to Your Service” – Zoom Error Code 104101 in Windows 10 PC

Zoom is a fairly popular communication app for online learning. Like all other apps, it has its own problems that leave users frustrated. One of the most commonly reported problems is the connection to Zoom’s servers, specifically the notorious error code 104101, which means that there is a problem with the system settings or that the Zoom app is not working due to a large number of users.

With a busy schedule, you never want to run into an error code. This error disrupts users’ schedules and virtual meetings, disrupting their pace and work environment.

What causes the Zoom error code 104101?

  • Internet connectivity issues with Zoom servers, such as firewall, proxy server, TCP, and SSL timeouts.
  • Unstable internet connection.
  • Outdated operating system, Zoom application, or other dependent components including device drivers.
  • An invalid version of SDK in Zoom application when trying to connect to the Zoom server.
  • Interference from anti-virus programs.

How to repair the Zoom error code 104101?

Add ‘’ to the list of trusted sites

  1. Go to Internet Options. (type “Internet Options” in the Windows search bar).
  2. Select the Security tab and click on Trusted Sites.
  3. Then click on Sites.
  4. Under Add this site to the zone, type and apply the changes.

Speaking of Internet Options: try setting the proxy settings to auto-detect. Go to Internet Options > go to the Connections tab > LAN Settings > Auto Detect Network Settings.

Disable the firewall and antivirus program

Windows Firewall:

  1. Start Control Panel, type “Firewall” and select Windows Firewall Defender.
  2. Then go to Allow an application or feature through Windows Defender Firewall.
  3. Click on Edit Settings and scroll down to Scale. Apply the changes.

If you’re using a different antivirus program or firewall, check your software’s official support page for further instructions.

Windows Defender:

  1. Go to Settings > Update and Security > Windows Security > Virus and Threat Protection.
  2. Then select Manage Settings and scroll down to the Exceptions section.
  3. Select Add or remove exceptions > Add exception.
  4. Select Zoom and save your changes.

Frequently Asked Questions

If your network uses a firewall or proxy server, ask your network administrator to check your firewall and proxy server settings. If your antivirus software such as AVG is blocking the connection to Zoom, then disable the service and try again.

If you are on a network with a firewall or proxy server, contact your network administrator to check your firewall and proxy settings. Antivirus programs such as AVG may be blocking your connection to Zoom. Disable the service and try again. Check with your Internet Service Provider to see if you can connect to Zoom.

If your application remains "connected" or crashes due to the message "Network error, please try again" or "Cannot connect to our service, please check your network connection and try again", this may be related to your network connection, network firewall settings or web security gateway settings.

A 104101 error indicates that your device has failed to connect to Zoom's servers. There are several reasons for these errors. Perhaps your antivirus program or firewall is blocking the connection. Or you may be having problems with your network connection.