Question / Help Audio is nice but video stops playing after a second

[Diluent]

I was configuring everything and when I go to record (LoL) gives all right, but when I see how recording the video after a second but the audio keeps on giving. How do I resolve this?

My LogFile: https://gist.github.com/anonymous/0333738a53c4340028fa

P.S.: Sorry if i have bad english, the translate is horrible

 

[Harold]

Your computer isn't powerful enough.

 

[Diluent]

But my computer records at 60/70 fps :(

 

[Harold]

No it doesn't.

http://www.cpubenchmark.net/cpu.php?cpu=Intel+Core2+Duo+E7200+@+2.53GHz