In all game modes, for me if I open to LAN the first four sections are all just 0s. I've noticed that this happens on most of the HP Pavillion computers.
MC-4669
1.4.5 LAN Bug
Resolved
Duplicate
0
Robert Furey
(Unassigned)
Unconfirmed
Minecraft 1.4.5
Retrieved
Duplicate of MC-3198 , please use the search function to see if your bug has already been submitted. Currently over 35% of tickets are being closed as duplicate.