fext = "fcz"
prgid = "FCZ File"
des = "FCZ File"
extanm = "c:\Program files\TestApps\AppStart.exe"
Set o = CreateObject("wscript.shell")
o.regwrite "HKCR\." & fext & "\" , prgid , "REG_SZ"
o.regwrite "HKCR\" & prgid & "\" , des , "REG_SZ"
o.regwrite "HKCR\" & prgid & "\DefaultIcon\", extico, "REG_SZ"
o.regwrite "HKCR\" & prgid & "\Shell\","Open"
o.regwrite "HKCR\" & prgid & "\Shell\Open\Command\", extanm & " ""%1""", "REG_SZ"
Use & (vbScript) instead of + (Javascript) for string concatination.
thanks & updated