Ive just tried it on a pc i know thats on the network but its coming up with "the system cannot find the path specfied"

Have i dont it right below ?

Break on
176.4.16.23="a.b.c.d"
While "true"
Shell '%COMSPEC% /C ping -n 1 ' + 176.4.16.23 + ' | find "TTL=" >/dev/null'
If @ERROR=0
$Null=MessageBox("IP Address" + 176.4.16.23 + " is respondin","It's Alive!")
Exit 0
EndIf
Sleep(60)
Loop

Sorry im kinda new to this!!
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If at first you don't succeed, try again. Then quit. There's no use being a damn fool about it. - W.C Fields