I always leave server before exiting the game.
Error can occur during gameplay (10% of the time)
Error can occur while leaving or exiting game (80% of the time){F41743}
Error occurs both with and without steam overlay (although not so frequently, if that means anything)
Error occurs both with and without additional background programs running;
1) Borderless Gaming
2) Logitech Gaming Software 8.8
3) Origin
4) VLC
As this is a memory associated problem I thought it relevant to inform you of my modules; x4 4gb HyperX 1666mhz stock clocks
GTX980 drivers up to date
DirectX up to date
Memory passes Memtest86 every time