is not working on mine:
Array
(
[0] => MEncoder dev-SVN-r25540-4.1.2 (C) 2000-2007 MPlayer Team
[1] => CPU: Intel(R) Core(TM)2 Duo CPU E6550 @ 2.33GHz (Family: 6, Model: 15, Stepping: 11)
[2] => CPUflags: Type: 6 MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
[3] => Compiled for x86 CPU with extensions: MMX MMX2 SSE SSE2
[4] =>
[5] =>
[6] => Exiting... (error parsing command line)
)

################################################## ##

Return value: Exiting... (error parsing command line)
Video Conversion Finished