Let's look at the clipboard.
The Mysterious Clipboard
The clipboard isn't so much a "thing" as it is a "place".
But even then, "place" isn't exactly accurate either.
The clipboard is simply a place where Windows remembers something - exactly one thing - for you.
That's really all it is.
And yet, as simple as it is, it's extremely powerful.
Obligatory caveat. This utility has been around for a while and it has a good reputation. As with any third-party software that’s going to operate on sensitive system areas, however, you are always at risk. Make sure you have a good backup of your machine prior to performing these operations. And of course, you use utilities of this nature entirely at your own risk.
First, download and burn to CD the Offline NT Password and Registry Editor. This is actually a highly customized version of Linux that’s designed to do exactly what the name implies: allow you to examine and edit the password information and registry of a Windows machine. (A USB version is available as well.)
Boot your problematic machine from that CD that you just burned. You’ll end up with something like this on your screen: