> Is there someway to reverse the disconnect when 
> finished once a mirroring is started using 
WinHTtrack?
No.. this isn't (yet) possible

> Also, is there a correct way to interrupt a mirroring
> operation and then starting it back up after a period
> of time?
Yes - click on "pause" and wait for pending transfers 
to finish. Then, click on "cancel" and terminate the 
mirror.

I'll add a feature which will allow to do that in a 
much cleaner way - planned for 3.10!