If you're seeing Error code 73 on your Vizio TV, the steps below walk you through the most common fixes.
Disney+ detects you are in an unsupported region or are using a VPN. To fix this, disable any VPN or Proxy. Some anti-virus software also includes a hidden VPN that needs to be disabled. You may need to restart your device after turning these off.
TS Toolkit Link: /apperror/73/
SmartCast has no per-app cache option.
1. Power-cycle the TV: turn it off and unplug it for 1 minute.
2. If the issue continues, reset apps via Menu > System > Reset & Admin (note this affects all apps).
App updates install automatically on Vizio SmartCast.
Menu > Admin & Privacy > Check for Updates.
Press power button on remote or TV.
Press power button on remote or TV.
Then unplug from the power source.
1.Unplug modem from wall.
2.Wait 1 full minute.
3.Plug modem into wall, wait a few minutes for modem to reconnect to the internet.
Settings > System > Reboot TV.
D Help Site: https://help.disneyplus.com/article/disneyplus-error-73
H Help Site: Not Applicable
Still stuck? Open the full interactive toolkit to track every step: