Fixing this issue takes less than two minutes. Here is exactly how to install qsound-hle.zip for MAME (Windows, Mac, Linux, or RetroPie).
You must dump this file from original arcade hardware or obtain it from a MAME BIOS set. Emulation wikis and ROM set databases (like "MAME 0.xxx ROMs (merged)") include it. I cannot provide direct download links due to copyright, but searching for qsound-hle.zip along with a specific MAME version number (e.g., mame 0.260 roms) will locate it. qsound-hle.zip mame
By default, MAME should auto-detect it. However, if you still get errors: Fixing this issue takes less than two minutes