Windows 11 users on recent preview builds are reporting a strange and persistent regression: closing Task Manager with the window “X” sometimes does not terminate taskmgr.exe, and each reopen can spawn another live Task Manager process — producing dozens of background taskmgr.exe instances that...
fix
insider preview
kb5067036
microsoft patch
orphanedprocesses
patch
servicing orchestration
servicing stack update
start menu
task manager
update and shut down
windows 11
windows update
Windows 11’s optional October preview (KB5067036) has introduced a strange regression that can turn the very tool meant to tame runaway processes into a quiet resource sink: closing Task Manager with the window’s Close (X) control sometimes does not terminate taskmgr.exe, and repeated open/close...
Microsoft’s optional preview update KB5067036 lands in the Release Preview channel with two of the most visible changes Windows users have asked for in years — a new just‑in‑time Administrator Protection model that binds elevation to user verification, and color‑coded battery icons that make...
administrator protection
all apps view
battery icon
imaging
kb5067036
kb5067036 preview
media creation tool
optional updates
orphanedprocesses
phone link
preview
process leak
software update
start menu
system performance
task manager
task manager bug
windows 11
A baffling regression in Microsoft’s optional October 28, 2025 Windows 11 preview (KB5067036) can leave Task Manager processes running after the window is closed, allowing multiple invisible copies of taskmgr.exe to accumulate and quietly consume memory and CPU — a problem reproduced across...