Solution
This could be caused by a known issue inside Windows XP.
Please simply apply the registry fix from the link below to fix this problem:
http://dlsvr01.asus.com/pub/ASUS/misc/utils/S3USB.zip
Usage:
1. Extract the attached package into any desired folder.
2. Double click on the extracted file, and follow the instructions on the screen to complete the installation of this patch file.
For more information regarding this issue, please kindly refer to Microsoft KB number KB817900 from the link below:
http://support.microsoft.com/kb/817900/en-us