Extra frame glitch at beginning

Beginners
1

When i render my project i find there is always like an extra frame at the beginning and sometimes a little glitch/pop in the audio before it starts.

any ideas how to solve this or why it’s happening?

Thanks

2

bumping this if anyone sees it or knows? Thanks

3

hard to answer without knowing the project and/or machine.
You can try rendering the project with realtime flag off (when it’s off the button is red) which means it takes as long as needed for each frame

4

Yep I always use real-time off when rendering via movie file out.

It’s so strange and annoying. Will send the toe when I can tomorrow for you. Private message ok? It’s something I’m working on so would rather not post it here if that’s ok.