OneCommander is slow on my computer

OC needs write access to disk often, so ensure it is stored on fast disk, like NVMe. Don't install it on mechanical disk or removable drive


Resizing window is choppy

No solution - Windowing system in Windows is like that - a simple window that has only a few buttons and other elements can react smoothly on resize, but OneCommander window has about 3000 elements in the visual tree (even one button has a text, a border, background, invisible highlight border and background and so on), so each mouse movement triggers re-measurement, rearranging, and redrawing of all 3000 elements. In the future there are plans to simplify visual tree, remove unnecessary transparencies, but this is not high priority as resizing a window is not something we do 100x per day, but when we do, it is tolerable and just knowing that it will NEVER be smooth on Windows no matter the amount of optimization, should give you some consolation (or maybe not)