Step one: Verify which antivirus software is activated.
1. In desktop mode, press the keyboard "WIN" + "X" key combination to open the Advanced management tool.
2. Select "Control Panel".
3. Click on the "Large icon" on the right side of "view mode".
4. Select "Category".
5. Click on "System and security".
6. Select "Operation Center".
7. Click "Security".
8. Click "View installed Antivirus Applications" under "Virus protection".
9. At this point you can see two anti-virus software started, as shown in the following figure:
Step Two: Uninstall one of the antivirus software
1. At the above interface, click on the bottom right of the "off".
2. Click on the "Control Panel home page".
3. Select Uninstall program.
4. Find the anti-virus software that needs to be uninstalled, then click "Uninstall/Change" above. (Here with "Baidu Antivirus 2.1" as an example)
After the completion of the above method, the redundant anti-virus software is successfully uninstalled.