7Ara
Sometimes a weird suspicious notification sound is played on my PC
I bought a second hand HP Compaq 8100 Elite SFF PC several years ago with Windows 7 home basic preinstalled on it.
Occasionally a weird suspicious notification sound is played once for a session on it which I cannot find its source... I don't know exactly why but it seems to me very like a remote login/access notification sound.
How can I discover what's the source of that sound?
How can I check my PC for possible hidden remote access tools?