How to cancel Tencent News every time the computer is turned on?

This is because your QQ has turned on the option of displaying Tencent Mini Edition after login, just turn it off.

Log in to your QQ account on the computer.

Open the settings option, click Permission Settings in the menu bar above the system settings window, and enter the Permission Settings menu bar.

Click the consultation reminder function option in the function options on the left, and uncheck the option to display Tencent Mini Edition.