wullieb1, sounds like you have the answer, like you said "It may be holding the network connection open which will stop your pc going to powersave" . My network adaptor is set by default to "os controlled" under the WOL settings but if i change that to "disable" the PC can then enter powersave even after backing up(yes i know this is a fix in itself). What is a Mall Script? will this close the network connection? please tell me more. Yes the backup finishes without error according to the log. enuffsaid, I like to be able to just walk away and let the PC go to sleep on its own, that way when i find i have forgotten somthing ten minutes later i just have to raise the PC from standby not restart it .... fussy huh? but i like it that way and it so nearly works too except for this one application. Many thanks to you both for replying