Different ways to invoke a IE browser

'commonly used method
systemutil.Run "iexplore.exe"
wait(10)
Browser("name:=.*").Navigate "www.yahoo.com"

'For QTP backward compatability
invokeapplication "C:\Program Files\Internet Explorer\iexplore.exe http://www.yahoo.com"

Set WShelObj=Createobject("WScript.Shell")
WShelObj.Run Chr(34) & "C:\Program Files\Internet Explorer\iexplore.exe" & Chr(34)&" "&"www.yahoo.com"
or
Set WShelObj=Createobject("WScript.Shell")
WShelObj.Run Chr(34) & "C:\Program Files\Internet Explorer\iexplore.exe" & Chr(34)
Browser("name:=.*").Navigate "www.yahoo.com"
Char(34) is used to append double quotes to the IE application path.