I'm having trouble reading the Applications and Services event logs in Vista and Windows 7 I referenced this thread: and got nowhere too. I found I can easily copy the event log then open and process the copied file, eg: #Include <array.au3> #Include <eventlog.au3> $objEventLog = _EventLog__OpenBackup("", @ScriptDir & "\Microsoft-Windows-Dhcp-Client%4Admin.evtx") $varEventsTotal = _EventLog__Count($objEventLog) ConsoleWrite($varEventsTotal & @CRLF) for $i = 0 to