Video sequence editor acceleration problem

Hi, today I started using the blender video sequence editor, and I have encountered a pretty big problem, blender speeding up some videos I add, and then for the rest of the space it goes black, And when I render it same thing happens. I try refreshing the editor but that doesn`t work.

Is there any way to bake the videos or anything like that?

What OS? Blender version? Video formats your using?

There is no hardware accelerated video playback in Blender but proxie work to an extent.

Seems like a mismatch of frame rates between your project and your video footage. Try to change the frame rate in the properties panel (right next to the resolution).

And re-import the clips after you match the frame rate of the project.