Error 3000 means that Zoom Installer has failed to overwrite an existing file due to a running process.
So, how to fix it ?
To fix Error code 3000:
1. Download the Zoom client installer (here is the download link : https://zoom.us/support/download).
2. Install it.
If Zoom error code 30000 persists, restart your computer and try again.
Subscribe for more helpful fixing guides.