Forum Discussion
Rozplay
Sep 01, 2026Copper Contributor
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...
Lennonui
Sep 03, 2026Tin Contributor
Since your research led you to MPO, this is a direct way to address it. A blog post discussing a similar "window overlay bug" on Windows 11 25H2 specifically mentions that the issue is caused by an MPO or DWM rendering conflict and provides a registry fix.