This symptom occurs due to the specifications of Windows® Media Player.
Microsoft's digital media applications such as Windows® Media Player and Windows® Movie Maker cannot recognize that the Crusoe CPUs are able to carry out the optimized decoding processes (decoding of data). As a result, the playback performance of video may be inferior as compared to a system that has a different CPU.
For more information, please refer to the following solution in Microsoft's technical support website.
Article ID: Q311235
Last Modified: August 29, 2002
Title: PRB: Poor Performance Occurs in Movie Maker and Windows Media Player on Transmeta CPU