Can't hear my instruments!

[Tico H]

I used to be able to load a vst to play, then pull up my web browser for YouTube (for example) and play my vst instrument while watching Youtube, etc. Now I can't.

Can anyone explain why and what must I do to regain this capability?

[nix]

To do that on one soundcard, you need a multi-c...

[HeathW]

use fl studio asio if that doesn't cure it - t...