The publish location is changed to "This Computer" in Windows Movie Maker when you double-click a publish location on a Windows Vista Service Pack 1-based computer

When you double-click a location to publish a movie by using Windows Movie Maker on a Windows Vista Service Pack 1 (SP1)-based computer, the publish location is changed to "This Computer." This problem occurs only when you double-click a location to publish a movie in the Publish Movie screen in Windows Movie Maker. This problem does not occur if you single-click a location to publish and then click Next.

This problem does not occur in the release version of Windows Vista.

To resolve this problem, single-click a location in the Publish Movie screen. Then, click Next.

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.