Download_in_x-matroska.aspx -

Note: If you don't see the extension, you may need to uncheck "Hide extensions for known file types" in your Folder/File Explorer options.

This happens when a website's server (running on the Microsoft ASP.NET framework) is configured to serve a file, but your browser fails to recognize the correct file type and saves it with the server's internal file extension (.aspx) instead. Quick Fix: Rename the File download_IN_x-matroska.aspx

the change. You should now be able to open the file in a media player like VLC Media Player or Windows Media Player . Why This Happens Note: If you don't see the extension, you

The most effective way to "fix" this content is to manually change the file extension back to its intended format. the downloaded file in your folder. Right-click it and select Rename . Change the ending from .aspx to .mkv . You should now be able to open the