Model packs are installed into your Line 6 hardware using the License Manager application.

After reviewing your Line 6 user account, it appears as though you have not registered your UX1 to your account. The first thing you need to do is register the UX1 to your account, you may do so at the link below:

http://line6.com/account/registergear/

Next make sure and install the latest version of Line 6 Monkey 1.43 that includes the latest version of License Manager 1.01:

Windows Line 6 Monkey 1.43:

http://line6.com/getrelease?rid=4223

Once Line 6 Monkey is installed, remove any additional unnecessary USB and firmware devices from your computer when troubleshooting this issue. Make sure to connect it directly to a USB port and not a USB hub, extension, or keyboard of any kind, preferably connect it to a USB port on the rear of computer. Try using additional USB cables and every USB port available until you are able to launch Line 6 Monkey and detect the device.

After Launching Line 6 Monkey apply any updates that are available until you have a green check next to each component.

Next close all open applications and use the License Manager software to de-authorize and re-authorize your device. Make sure to remove the information when prompted to, and then install again when prompted to, this will ensure that you reinstall all of your available Line 6 assets from your account into your device.

We have a video tutorial available for using the License Manager available at the link below:

http://line6.com/support/docs/DOC-2295