This Activity Encountered An Error – Google Chromecast

When casting a video with Google Chromecast, you get this error:

This activity encountered an error

To fix the activity encountered an error message, try the following:

• Restart Google Chrome
• Reboot your PC
• Remove, then reinstall the Chomecast extension in Google Chrome

Usually the activity encountered an error issue is local to the PC, but if you have done the above and are still having issues, you may want to test another device to ensure that you don’t have a problem with your Chromecast device or router.

If you get the activity encountered an error message on other devices, then try powering off your TV, rebooting your router and checking that you have internet access.