are you running from the built in admin account? that is the exact same error i got when i did that. you can not run rt7lite from within the built in admin account. you need to create a user account with admin privileges. MMMMM, yeah I was running from a built admin account - eh, on a Windows 7 Enterprise 64-bit O/S. Alright, I'll give that a shot and see how that goes...thanks hclarkjr. did that fix it for you? hopefully ben can find way for it to be run from the built in admin account