TM2.8 iPad trying to restore DB from my iPhone w Time central.I can't restore.I see my iPad but restore button is disabled?
Most likely Bonjour has broken. This is very common on Windows systems and we really wish that Apple would fix this darn problem.

Here is how you would fix it on XP or Vista. I suspect that Win 7 would be very similar to Vista.
Windows Vista:
Start -> Control Panel
In the "Programs" section, click on the "Uninstall a program" link.
Select "Bonjour"
Click on "Change" button on top (do not click on the Repair button on the menu next to it).
On the window that pop's up, click "Repair"
Finish
Windows XP:
Start -> Settings -> Control Panel
Click on "Add or Remove Programs"
Select "Bonjour"
Click the "Change" button
Click "Repair"
Finish
Please write back and let us know if this worked for you?
Cheers,
Adam.