Forums Bug Reports Internal beep glitch

I did that test with /beep 10, with the "Use internal beep" unchecked and checked. Win7 default beep works fine. Checked the option, and did the same test multiple times. Here are the results:
1 - I heard 2 clicks.
2 - I heard 1 click only.
3 - I heard 2 clicks again, but with the first one being much shorter than the second one.
4 - No sound now at all
5 - 3 clicks, the first is much shorter than the next 2

I could go on, but it's the same effect I experience when mirc is minimized. That internal mirc sound is completely unreliable for me.

I am really curious as to what causes this strange behaviour.

[EDIT] I did nothing special, and I haven't touched mirc, and now that built in sound plays perfectly! I did the /beep 10 test again, and it plays that metallic click sound 10 times. If anyone has this problem, tell me.
I wanna know what possibly caused it. All I did was opened vlc, and opened dreamweaver. So really nothing special. I think it has to do with my system, not mirc.

[EDIT2] Very strange. When I close vlc, the glitch happens again. The only way to make it work is by opening a video in vlc(pause is ok). So it has to do with the audio driver. What can be the relation between vlc's sound and mirc's sound? That mirc is dependent on vlc to be able to play correctly the internal sound of mirc?

So that's why it's working when playing with a game.