QQ Butler to prevent changes to the default browser how to set the default browser?

(1) When setting the default browser, the QQ computer Butler will pop-up the following reminder box, please select the "Allow" option in the figure (), click "OK" to set the success. But don't in the browser Protection dialog box that pops up later (figure II), select "One-click lock", or it may be wrong to set the default browser failure.

(2) If you miss the above Tip box, you can also set the success by following this method.

A) Please click on the taskbar QQ computer housekeeper Point right button, choose "Exit", close QQ computer Butler.

(b) Select "Exit the computer housekeeper" and click "OK".

c) After the shutdown, reset the UC browser as the default browser.