Describes the cause and action for error messages.
update is already running
Windows upgrade assistant already running - Windows 10 Forums
How to Stop Windows 10 Update Assistant from Running? ? EaseUS
Fix Avast's 'Setup is already running. Please try to start the setup later ...
The Creators Update is already running on 10% of all Windows 10 PCs
Fix: “Another instance is running” error on Windows 10
The Creators Update is already running on half of the Windows 10 ...
アップデートの開始 | ESET Endpoint Security | ESETオンラインヘルプ
ERROR The Updater or App Directory is already running ...