If you're seeing Error code 42 on your Vizio TV, the steps below walk you through the most common fixes.
A classic "weak signal" error. Disney+ isn’t getting enough data to start the stream. Check your Wi-Fi, restart your router, or switch to a wired ethernet cable for a more stable connection.
TS Toolkit Link: /apperror/42/
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-42
H Help Site: Not Applicable
Still stuck? Open the full interactive toolkit to track every step: