Does XP keep a log of coming in / going out of Standby?

[htewam]

Not really a GBPVR issue but thought someone here might know the answer anyway. Assuming that things are set up correctly, GBPVR will bring the PC out of Standby to perform recordings and will then allow the PC to resume Standby when recording is finished -- this works perfectly for me but...

There are some times that I find that the PC has come out of Standby for some unknown reason (unknown to me anyway)... no scheduled recording, no update service scheduled for a specific time, nothing that I can find. No evidence in the GBPVR logs that IT is responsible so I am assuming some other piece of software.

I'm wondering if XP keeps a log somewhere of when the PC comes out of (and goes back into) Standby (not Hibernate although that might be useful as well). I figure that if I can see a pattern, then it might allow me to identify what is going on. I checked the multitude of XP logs that I am familiar with and none seem to record this event.

Thanks

[sub]

I dont think it does, but it'd probably be in the Windows Event Viewer if anywhere.

[neilraymond]

you can look in the windows update log file (c:\windows\WindowsUpdate.log), from memory this will show wake and sleep events and the time they occur.

[capone]

Mine would wake from standby to run Diskeeper defrag. You may not have it, but it this wakes it up, w/o even having a "wake from standby to run" setting. Point being, it could be anything, 3rd party or OS-related.

Also, I can wake it up by trying to read it in Network Neighborhood on the network, so it is sensitive to network traffic. Things like wake on mouse/wake on usb, wake on network are common "On" defaults, so you'll really need to poke around.

Few of these in particular will be in the logs, so it is a pain.

[htewam]

Looks like c:\windows\WindowsUpdate.log does indeed track wakeup/sleep events -- much thanks neilraymond!