(adsbygoogle = window.adsbygoogle || []).push({}); I can import the video but when i play it in the timeline in laggs and i can hear the audio but the video laggs, i got it on preview (AUTO).
what is going on?

Windows 7 32-bit
Dual Core 2.8
320gb hard drive
3.25gb RAM
Dont know how to check graphics card but i think its 512mb