KB5067036Broken
Task Manager spawns unkillable ghost copies
What broke
The October preview update turned Task Manager into a zombie process factory. Clicking the X button to close Task Manager didn’t actually close it — instead, it spawned a hidden background instance consuming 20-25 MB of RAM. Each “close” created another ghost copy. Over time, dozens of phantom Task Manager processes accumulated, degrading system performance. The tool designed to help you manage runaway processes became a runaway process itself. WSL mirrored networking also broke with VPN clients like Cisco AnyConnect, because why not.