- You do not experience this issue when you try to open an .mpg file.
- Usually, Internet Explorer should call the CreateProcess function for Windows Media Player by using a non-URL-encoded path if the file has a space in the path or file name.
Security update informationTo resolve this problem, install the most recent cumulative security update for Windows Internet Explorer. To do this, visit the following Microsoft website:
Note This update was first included in security update 982381 (MS10-035). For more information, click the following article number to view the article in the Microsoft Knowledge Base:
Method 1Do not use spaces in the file path or in the file name.
Method 2Put the media file that you want to play in a playlist (.asx file).
- On a computer that is running Windows 7, start Internet Explorer 8.
- Drag an .mp4 file that contains a space in the file name to an Internet Explorer window.
Note This issue also occurs when you try to open an affected media file that is included in an <A herf> tag.
Article ID: 982093 - Last Review: Feb 3, 2011 - Revision: 1