ERR_WS_PROTOCOL_ERROR -145

Net error -145

BROWSER

Websocket protocol error.

Browser error page with a network error code and a checklist of likely causes
Browser network errors: rule out your connection first, then the site.

What it means

ERR_WS_PROTOCOL_ERROR is a Browser error code reported by Google Chrome, Microsoft Edge and other Chromium browsers. Its official message is: “Websocket protocol error.”

How to fix ERR_WS_PROTOCOL_ERROR

  1. Reload the page once — single transient failures heal themselves immediately
  2. Flush DNS: 'ipconfig /flushdns' on Windows, 'dscacheutil -flushcache' on macOS
  3. Disable VPN, proxy settings and your antivirus web shield, then retry
  4. Test the same page from mobile data or another device to isolate YOUR setup from the site
  5. Bypass performance extensions: open a private window, disable ad-blockers and retry

Related errors

ERR_WS_THROTTLE_QUEUE_TOO_LARGEERR_WS_UPGRADEERR_NAME_RESOLUTION_FAILEDERR_ADDRESS_IN_USEERR_MSG_TOO_BIGERR_BLOCKED_BY_RESPONSEERR_CLEARTEXT_NOT_PERMITTEDERR_CONNECTION_CLOSED

Source: Chromium net_error_list.h

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