If I have a few clips on the time line and highlight one to render as an avi, Vegas will not render only the highlighted clip - it starts rendering all of the clips on the timeline - starting with the first one.

Is this a known glitch? Maybe I turned something on (or off) without knowing it.

Any suggestions?

Double-click the event to highlight it and make sure to select "Render loop region only" in the render options window.

Thanks for the quick response Mike - that was it. I must have unchecked it without knowing because it worked before.

My pleasure Herm.
Glad that was the solution.