Windows XP

Open the control panel and switch to the classic view;

Open Add or Remove Programs;

Then choose to set program permissions and default values, and click Customize on the right;

When choosing the default browser, set it as a non-Google Chrome browser;

Click OK;

Windows Vista

Enter the control panel and switch to the classic view;

Then open the default application;

Then choose to set program permissions and default values, and click Customize on the right;

When choosing the default browser, set it as a non-Google Chrome browser;

Click OK;

Windows 7

Go to Control Panel > Default Application > Set Default Application;

Choose other non-Google Chrome browsers;

Then click Set this program as the default program;

Precautions:

Set Chrome as a non-default browser.

After uninstalling, delete the relevant contents in four places: related files, startup items, task plans and registry.