"failed to start bot session: an update is available for runemat: please restart to auto-update before starting new sessions." restarted runemate and unistalled it and reinstalled it multiple times and this issue is still popping up.
Uninstall RuneMate, restart PC.
Download a new copy of the installer - RuneMate - Free OSRS Bots for RuneScape
Install RuneMate.
Restart PC.
Run RuneMate like normal.