Why is my series x completely re-downloading and installing a game?

Hi. My name is Brilliant, an independent advisor, happy to assist you today.

Here are a few tips to troubleshoot your game:
1. Check for known issues.
2. Power cycle your machine.
3. Remove and re-add your profile.
4. Reset your control to factory settings.

I hope this helps resolve your query.

Sorry to ask but why do we have to alter the DNS and secondary?

what did Microsoft do to cause this and why have they not addressed this as this occurred to my X series about 1 month ago but I haven't had the time to sort it and already defaulted it and re-installed everything so hours of downloading and not luck.

What about the games that I currently have stored on my external hard drive? Will I be able to use that on my Series X to play those games? Or will I have re download them on the Series X?

Hello, I'm Felipe and I'm an independent Community Expert, and I'll do my best to help you.

To install the Chinese (ZH) language pack for The Witcher 3 Complete Edition on Xbox Series X/S, you can follow the steps below:

Make sure your Xbox Series X/S console is connected to the internet.

Sign in to your Xbox Live account.

From the Xbox dashboard, navigate to "My Games & Apps".

Select "The Witcher 3 Complete Edition" from the list of installed games.

Press the "Menu" button on your controller and select "Manage Game & Add-ons".

Scroll down to the "Ready to Install" section and check if the Chinese language pack is available for download.

If the language pack is available, select it and click "Install".

Wait for the download and installation process to complete.

Once the installation is complete, launch the game and go to the settings menu.

Under "Language", select "Chinese (Simplified)" or "Chinese (Traditional)" depending on your preference.

Save the settings and restart the game to apply the changes.

If the Chinese language pack is not available for download in the "Ready to Install" section, you may need to check if it is available in the Xbox Store. To do this, follow these steps:

From the Xbox dashboard, navigate to the Xbox Store.

Use the search function to search for "The Witcher 3 Complete Edition".

Look for the Chinese language pack in the list of available add-ons.

If the language pack is available, select it and click "Download".

Wait for the download and installation process to complete.

Follow steps 9-11 above to change the game language settings.

I hope this helps you install the Chinese language pack for The Witcher 3 Complete Edition on Xbox Series X/S. Enjoy the game!

Similar problem here.
Xbox Series X and on Xbox 1 X. Game fails to launch. Uninstalled and re-installed, no change.