I tried to add a "portable install" to my USB drive so that I could use my full library at work (update favorites while they play). That never worked.. I got a message that said "database is read only" every time I launched MC14 from the folder where I installed it on the USB drive and it detected the entire library from scratch each time it was launched. Okay, I may have screwed-up the licenses by not having any decent documentation to follow.
Shortly after that, I started getting this message on my Vista laptop when I ran "Media Center 14.exe": "Windows cannot access the specified device, path or file. You may not have the appropriate permission to access the item Media Center 14.exe." I am also using Kaspersky, and it has been giving me the disturbing message each time I launched MC14 in the past that it's activity resembles PDM.Keylogger.
I've removed the portable install using the -uninstaller.exe on the USB drive folder. I've uninstalled MC14 from the home XP PC. The only active copy I've got now is the Vista laptop and even after successfully reinstalling my mjr file it still says "no". If you've got an issue with Kaspersky, would you please let me know how to work around it?