I keep having a random sound played over the speakers/headset at random intervals.

This sound plays periodically, even when everything is closed. A restart has not fixed it.

Sometimes it happens as quick as in this video, sometimes it can be hours apart.

https://medal.tv/games/osrs/clips/1GMvImdP62t\_os/d1337WprD1Xk?invite=cr-MSxqSFcsMTQ1MjIyMzQ5LA

Any ideas?