Batch setup file association in Win7

Special love to play software, browser i downloaded n, the player I have tried a good many, every time I change the software, I found, whining, file association disorder. Now even the input method is secretly for you to set the default, there is a domestic download software before the array also associated with the user's computer all the files almost ... OK, let's talk about how to change it back today.

In the newly installed system, Windows7 the default open avi, MP3 av file program are Windows Media Player 12 (referred to as WMP12), but later installed XX audio and video and xx play, the default program changed, how to change back? Find these files, right, Open the way inside select WMP, and then set the default open program? Actually, look at the following method, very simple, take WMP 12 as an example:

Click the Windows7 "Start" button and select "Default program" in the pop-up menu.

In the left column, select Windows Media Player, and then click the default value for this program in the lower-right corner.

At this point, the system will go to the Setup Program Association window, wow, a lot of things:

OK, in this way, you can set the batch.

This method is the same in Windows7 and Vista. Oh, Microsoft has left a "convenient back door" for its software.