我已经运行Windows 8几个星期了，最近在尝试播放一些视频文件时遇到了问题。我从我的Panasonic 高清^{(Panasonic HD)}摄像机中拍摄了很多视频，这些文件都是 .M2TS 文件，Windows 8中的^{(Windows 8)}Video应用可以播放，但Windows Media Player不能。

它会给我一个错误，说Windows Media Player 在下载播放列表时遇到问题^{(Windows Media Player encountered a problem while downloading the playlist)}，无论这意味着什么。但是，出于某种原因，默认情况下，Windows 8每次都会尝试在Windows Media Player中打开视频文件。^{(Windows Media Player)}我必须手动保持右键单击文件并选择打开^{(Open With)}方式才能使用视频应用程序。

在本文中，我将快速介绍如何更改Windows 8中的默认视频播放器和照片查看器。默认情况下，Windows 8中的^{(Windows 8)}照片^(Photos)应用程序将打开大多数图片文件，但如果您想使用其他程序，则必须手动更改它。

在Windows 8中更改默认视频播放器^{(Default Video Player)}

更改视频文件默认程序的最简单方法是右键单击视频文件，单击打开^(Open) 方式^(with)，然后单击选择默认程序^{(Choose default program)}。

然后，您可以从列表中选择应用程序，或者如果您要使用的程序未列出，则单击更多选项。这是更改一种特定文件类型的默认程序的最简单方法，但如果您想更改所有视频文件类型的默认播放器，例如，这将非常耗时。

相反，您可以转到控制面板^{(Control Panel)}并单击默认程序^{(Default Programs)}。

然后单击设置您的默认程序^{(Set your default programs)}。

向下滚动^(Scroll)列表，直到您到达视频^(Video)，它会告诉您该应用程序或程序设置了多少默认值。

继续并单击选择此程序的默认值^{(Choose defaults for this program )}，您将能够准确查看哪些文件类型与Windows 8中的哪个程序相关联。

如您所见，.m2ts 文件未选择设置为当前默认值。如果您希望当前程序打开文件，只需选中该框，然后单击“保存^(Save)”按钮。然后，这会将当前程序与该文件类型相关联。因此，如果您想改变使用Windows Media Player，请选中该框，然后单击“保存^(Save)” 。

对于照片^(Photos)或任何其他应用程序，这是相同的过程。单击^(Click)照片^(Photos)以查看默认情况下设置为使用该程序打开哪些文件，并根据您要使用的程序选中或取消选中。

如果您希望其他应用程序打开照片，请转到该应用程序的默认设置，然后选中您要使用其他应用程序自动打开的文件类型的复选框。例如，如果我希望Windows 照片查看器^{(Windows Photo Viewer)}打开照片，那么我会转到它的默认值并选中它支持的文件类型的所有框。

就是这样！您可以使用Windows 8中的“^{(Windows 8)}默认程序^{(Default Programs)}”功能轻松控制使用哪些程序打开哪些文件。享受！

Change Default Media Player and Photo Viewer in Windows 8

I’ve beеn running Windows 8 for a few weeks now and I recently ran into аn issue when trying to play some video files. I take a lot of video from my Panaѕonic HD сamcorder and the files are all .M2TS files, which the Video app іn Windows 8 can play, but not Windows Mеdia Playеr.

It would give me an error saying Windows Media Player encountered a problem while downloading the playlist, whatever that means. However, for some reason, by default Windows 8 would try to open the video file in Windows Media Player every time. I had to manually keep right-clicking on the files and choosing Open With to use the Video app.

In this article, I’ll quickly go over how you can change the default video player and photo viewer in Windows 8. By default, the Photos app in Windows 8 will open most picture files, but if you want to use a different program, you’ll have to manually go change it.

Change Default Video Player in Windows 8

The easiest way to change the default program for a video file is to right-click on the video file, click on Open with and then click on Choose default program.

You can then pick the app from the list or click More options if the program you want to use is not listed. This is the easiest method for changing the default program for one particular file type, but if you want to change the default player for all video file types, for example, this would be very time consuming.

Instead, you can go to Control Panel and click on Default Programs.

Then click on Set your default programs.

Scroll down the list until you get to Video and it’ll tell you how many defaults are set to that app or program.

Go ahead and click on Choose defaults for this program and you’ll be able to see exactly which files types are associated with which program in Windows 8.

As you can see, the .m2ts files had Not selected set as the current default. If you want the current program to open the files, just check the box and then click the Save button. This will then associate the current program with that file type. So if you wanted to change from using Windows Media Player, you would check the box and then click Save.

For Photos or any other app, it’s the same procedure. Click on Photos to see what files are set to open with the program by default and check or uncheck depending on which program you want to use.

If you want a different app to open photos, go to the defaults for that app and then check the boxes for the files types you want to open automatically using the other app. For example, if I wanted Windows Photo Viewer to open photos, then I would go to it’s defaults and check all the boxes for the file types it supports.

That’s about it! You can easily control which files are opened with which programs using the Default Programs feature in Windows 8. Enjoy!

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