REGEDIT4

[HKEY_CLASSES_ROOT\.prg]
@="prgfile"

[HKEY_CLASSES_ROOT\prgfile]
@="Worship programme"
"EditFlags"=hex:00,00,00,00
"AlwaysShowExt"=""

[HKEY_CLASSES_ROOT\prgfile\Shell]
@=""

[HKEY_CLASSES_ROOT\prgfile\Shell\open]

[HKEY_CLASSES_ROOT\prgfile\Shell\open\command]
@="C:\\Program Files\\Worship Projector\\Projector.exe %1"