Use Retroarch and the Mednafen PSX core to play Playstation games perfectly with no hassle and no plugins.
here is the list of games that have issues, its very small - http://wiki.libretro.com/index.php?t...2FMednafen_PSX
You are on windows 64 bit correct?
http://buildbot.libretro.com/nightly/windows/x86_64/
Grab the one that says RetroArch.7z for the complete package, cores must be gotten with the online updater in Retroarch.