Create a message board?

I’m trying to follow this tutorial
to create a simple message board
Installed in on my localserver, but got

( ! ) Warning: Unknown: failed to open stream: Permission denied in Unknown on line 0

( ! ) Fatal error: Unknown: Failed opening required ‘C:/wamp/www/msgbrd/index.php’ (include_path=‘.;C:\php\pear’) in Unknown on line 0
when I tried to open it up, what does that mean/
(Is there a better tutorial out there ?)

Oh and the tutorial doesn’t use backtick, is that ok? What is the point of the `backtick {key to the left of the 1 )