Zoom error 1005 is an error code that occurs quite rarely.
It indicates that a online grid connection issue is preventing you from installing or launching the app.
As the error description indicates, your web connection is either unstable or is down.
Check Your Firewall and Antivirus parameters
check that your antivirus and firewall are not blocking Zoom.
Additionally, whitelist Zoom and verify if that was the right solution for you.
If youre using Windows 10s built-in antivirus and firewall, follow the steps below.
If the issue persists, disable all the programs running in the background and change your DNS prefs.
For step-by-step instructions, seeFix Zoom Error: Your Internet Connection is Unstable.