MSXML4.0 Pack1 or later is used by xmlAdapter (recquired).and html/xml listener class

to test if msxml installed on machine maybe can try this code or similar :(not tested)

try
oXMLAdapter = NEWOBJECT('XMLAdapter')
messagebox( vartype(oXMLAdapter))
oXMLAdapter = Null
catch
messagebox("MSXML4.0 not installed on machine")
endtry