Hello,

    What has changed on your computer since you last used this as the soundcard? New programs could have changed the way the XT is being recognized, so let's reinstall your software to begin with. Please go the following link to download/install the Gearbox 3.71 software installer for your XP Operating System, which also includes the Line 6 monkey intelligent updater and the latest drivers for your Line 6 product.

  http://line6.com/software/

  Copy/paste the following links (beginning with http) into your internet browser for additional Line 6 software information:

  Line 6 Monkey Installation and F.A.Q.

  http://line6.com/community/docs/DOC-3898

  Windows: USB Device Driver Installation

  http://line6.com/community/docs/DOC-4427

  Video Tutorial: Installing Line 6 Drivers & Monkey to a Windows XP System

  http://line6.com/community/docs/DOC-1464

  Use the information in this link to optimize your computer to work with Line 6 Gear:

  Computer System Audio Optimization

  http://line6.com/community/docs/DOC-4201

  See your manual for more application information:

  Gearbox Program manual

  http://line6.com/community/docs/DOC-4839

  See the following information for setting up your Line 6 device as the soundcard on your computer:

  Setting up your Line 6 device as External Sound Card within Windows XP: Video Tutorial

  http://line6.com/community/docs/DOC-1427

  Assigning your Line 6 Device as a Sound Card on your Windows XP Computer: Screen Shot Tutorial

  http://line6.com/community/docs/DOC-1452