Forum Discussion
The Windows 10 Task Manager only displays thumbnails and cannot be opened.
The Task Manager displays normally as a thumbnail (preview window) on the taskbar, but clicking it fails to open the full interface (the window cannot be enlarged, maximized, or interacted with norma...
KB:5074109 installed on 14-1-2026 give a lot of problems.
Windows freeze - Black screen with arrow - lost Lan and so on.
Kb: 5078127 should fix the problems witch came with KB:7074109.
I also had taskbar brolems : Task manager not opening - Google on opening - Icons Blank with no original icon from lets say Inntel driver update.
I installed KB:5078127 on 25-1-2026 and wait if the problems are gone after these update.
It was not possible to remove the KB5074109 , with the removal procedures in Win update and with Powershell commands >it is a safety update
Regards, Andre.