There are some point of sales systems that use the same sound effect, and every time it's like I'm teleported back to the 90s, sitting in my room with a pepsi, browsing the web and chattin' with friends.
I only recall this beibeing used by McDonald’s in Russia, which seems to check out (no pun intended) considering your username :-)
Hah! I haven't been to a Russian McDonald's in ... certainly over a decade, maybe longer.
Incoming file transfer
Oh god this instantly took me back to my the way teenage years' room felt and smelled.