System Specs:
OPERATING SYSTEM: Windows 7 Professional
CPU TYPE: AMD Athlon II X2 250
CPU SPEED: 3000 MHz
SYSTEM MEMORY: 4 GB (2 x 2GB, DDR2)
GRAPHICS CARD MODEL: NVidia GTS 250
System Specs:
OPERATING SYSTEM: Windows 7 Professional
CPU TYPE: AMD Athlon II X2 250
CPU SPEED: 3000 MHz
SYSTEM MEMORY: 4 GB (2 x 2GB, DDR2)
GRAPHICS CARD MODEL: NVidia GTS 250
I guess that you have MCVC 2k8 without SP1. If it's true than you just update to SP1 and the error should go away.
Or you just compile libtheora by yourself and place it into \devpkg\lib folder.