Win10 default Edge browser is locked to launch what about Windows APP?

Sometimes we find that Win10 's default Web browser displays the launch Windows APP, and cannot change it, clicks on the change to flash back, and goes in again to find that there is no change, which is actually the default browser is locked by the third party software.

1, click as shown in the image, unlock the third party software default browser lock

2, this is we found that the default browser has become the edge, the instructions have been unlocked, and then you can modify the default browser