I'm assuming that the coding i need is somewhere in here: [bsplayerAP] HKCR,"Bspl.Play\Shell\play",,,"&Play HKCR,"Bspl.Play\Shell\play\Command",,,"%16422%\BSPlayer\bsplayer.exe ""%L""" HKCU,"Software\Microsoft\Windows\CurrentVersion\Explorer\AutoplayHandlers\EventHandlersDefaultSelection","PlayVideoFilesOnArrival",0x00000000,"BRiSsPlayBS" HKLM,"SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\AutoplayHandlers\EventHandlers\PlayVideoFilesOnArrival","BRiSsPlayBS",0x00000000,"" HKLM,"SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\AutoplayHandlers\Handlers\BRiSsPlayBS","Action",0x00000000,"Play" HKLM,"SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\AutoplayHandlers\Handlers\BRiSsPlayBS","Provider",0x00000000,"BSPlayer" HKLM,"SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\AutoplayHandlers\Handlers\BRiSsPlayBS","InvokeProgID",0x00000000,"Bspl.Play" HKLM,"SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\AutoplayHandlers\Handlers\BRiSsPlayBS","InvokeVerb",0x00000000,"play" HKLM,"SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\AutoplayHandlers\Handlers\BRiSsPlayBS","DefaultIcon",0x00000001,25,00,50,00,72,00,6f,00,67,00,72,00,61,00,6d,00,46,00,69,\ 00,6c,00,65,00,73,00,25,00,5c,00,42,00,53,00,50,00,6c,00,61,00,79,00,65,00,\ 72,00,5c,00,62,00,73,00,70,00,6c,00,61,00,79,00,65,00,72,00,2e,00,65,00,78,\ 00,65,00,2c,00,30,00,00,00 heh, while i dunno how to modify this directly it pointed me towards the right reg keys.