I was getting an error when I tried to start up Windows 2000 Professional. It was saying \WINNT\SYSTEM32\CONFIG\SYSTEM was missing or corrupt. All I wanted was some data off the hard drive so I went into the repair console and copied the \repair\system over the one that was corrupt. It worked. I booted into Windows after it did a Checkdisk. Before copying the data over I shut the thing down and now it comes up with the Missing or corrupt "\WINNT\SYSTEM32\CONFIG\SYSTEMced" error. I was trying to do the same thing however once I'm in the repair console I cannot change directory to winnt. It gives me an access denied error.
Something I noticed that was different between the both times, the first time I was prompted for which Windows Installation to repair and the second time I was not, it just sent me right to the C: prompt.