If you have ever tried to emulate classics like Marvel vs. Capcom , Street Fighter Alpha 3 , or Progear , you have likely encountered the infamous "QSound HLE" error. You have the ROM (packaged neatly in a .zip file), you have the emulator (MAME, FinalBurn Neo, or RetroArch), but the audio is either silent, garbled, or the emulator refuses to boot with a cryptic message about missing sound hardware.

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To fix the "NOT FOUND" error and get your Capcom games running, follow these steps:

Modern emulators do not require this. If you are doing this, you are using software from 2003. Update your emulator.