VirtualDub was a great piece of free software for learning video editing waybackwhen on Windows. It was lite, capable of handling AVI (defacto source at the time), and did I mention it was free? Also it was free, so that was cool when it launched in 2004.
Every software comes with its own design, layout, menus, and options. One of the features of VDubMod was the ability to change the CPU resource setting – “thread priority” – for the process from within the software (as opposed to the Task Manager). This was done via a simple drop-down menu accessible once the processing of the video began – of course the default setting was…
Of course don’t change the resource setting as the software is mopping up – that could lead to a crash while the render is finishing. Solution: “Don’t do that.” (Psst: Stay Normal!)