Basildane

Has anything changed in your network topology? Are those missing devices on the same subnet? What if you ping one of the missing devices from the WOL workstation? What type...

The Export function does not export the scheduled tasks. Only the WOL data. But this is a great idea and I will try and add this in future.

I have never encountered this. I will do some research, but I don't have any quick answer.

What is the model of the wifi adapter? Is it made by Intel?

Good choice. Have you checked Advanced properties, specifically make sure that Wake on Pattern Match and other things like that are disabled.

Also, do you have the Proset drivers installed?

I would disable pattern match

Does the laptop wake up, even if the WOL application is not running at all?

> If there's a property 'wake on link', please try disabling it, too. Yes, Wake on Magic Packet should be the only option enabled. Link change, pattern match, and others...

Are you able to ping the host that "not responding" from the command line? Try enabling the "trace log". Go to Tools -> Trace Log. This will create a file...