I purchased a PODxt used from a music store this week. I was able to successfully register it at line6.com after making an account there. Per instructions I found on the site to upgrade the firmware, I downloaded and installed Line 6 Monkey on my Windows 7 SP1 computer. After I installed the drivers for the PODxt Monkey was able to see it. As you can see from the attached screen shot, Drivers, USB Firmware, Line 6 License Manager and Line 6 Monkey are installed with the latest versions. But Flas