Forum Discussion
Taskbar goes dark black intermittently
Pretty sure this is a bug with Windows' MPO or graphical presentation model, but basically: For the past few months my taskbar has 'randomly' been going dark black, usually with Chrome open. Upon mo...
MPO is a graphics optimization that lets different layers (like your Chrome window and the taskbar) be composed separately for better performance. But when two hardware-accelerated apps overlap—say, Chrome playing a video and sitting on top of the taskbar—the rendering queue can get tangled. This causes DWM to glitch, temporarily turning the taskbar black until you click or move the mouse to force a redraw.