FINALLY GOT IT WORKING!!
Here's what I did:
I had a backup copy of the Wiki folder which I copied to the E: drive and then all I had to do was login to the web interface.
Thanks for all your guys help with this! You all ROCK!!!
P.S. Just for your reference. the changing of drive letters does seem to be prone to error. Even though all paths in the entire Wiki folder were correct pointing to C:
Hopefully this could help someone in the future too.