With apply-at-logon on, Windows starts the app in the tray at every logon. It applies the saved tune and then keeps it applied: every 30 seconds it reads back what the driver reports. If the tune was reset (a driver reset or TDR), it applies it again; if that happens four times within an hour it stops and tells you the tune is probably not stable; if another program such as MSI Afterburner changed the settings, it leaves them alone and tells you; after a driver update it does not apply the old tune and tells you to optimize again. While it keeps a tune applied (or a run is in progress), closing the window keeps it in the tray and **Exit** in the tray menu quits; otherwise closing the window quits. **Revert to stock** in the tray menu, or `gao --reset` from a shell, puts the card at stock and the watchdog leaves it there until you apply the tune again (window, tray menu or `gao --apply`). Only one optimize runs at a time, from the window or the command line.
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