You can use task scheduler to do launch folding only when it's on AC, right?
It works fine
and there is a nice lil wizard so its all rather easy too.
I already use ST to fun folding on all my PCs as I can never be bothered to install Firedemon, and they all work fine.
Edit: A Short explanation (just so my post is more useful)
Control Panel / Scheduled Tasks
Add Scheduled Task – this takes you to the wizard.
Find the F@H exe, you will most likely need to provide a password in specifying who to run it ‘as’ (this can be a problem if you don’t normally use a password – or I found it to be, but I will assume that you do
Make sure you go into the advanced options –
Under Schedule, make sure you pick At System Start UP – that means it will fold with out you having to be logged into the computer!
Then, under settings make sure that you untick
the “Stop the task if it runs for ….” Option, coz that’s silly.
On that same screen, there is a box that defaults to being ticked titled “Stop the task if battery mode begins” there are also some more options that you may want to play with.
And there you go
the only problem I can see, starting folding again when you plug the thing in :/