Com Sec Рїр»р°рѕс€рµс‚ App Flashbarservice С‡с‚рѕ Сќс‚рѕ -

com.sec.android.app.flashbarservice is simply the "brain" behind your Samsung tablet's multitasking sidebar.

Generally, you disable or force-stop this service.

The is a core system component developed by Samsung (indicated by the com.sec prefix). Its primary job is to manage the Multi Window tray (also known as the Multi-Window sidebar or Edge Panels).

It manages the "active" state of the sidebar, ensuring it stays hidden until you gesture for it.