Slice Strobe Resolume Hot!
CPU overload. Solution: Slice Strobing is rendering-intensive because you are drawing multiple copies of the same clip with independent effects. Use the Composition > Performance meter. If it spikes, right-click the Strobe effect and select Render Quality > Draft for those slices.
In video or image editing, slicing can refer to dividing the content into smaller parts or segments for creative effects or to prepare for further editing. slice strobe resolume