To initialize and format disk you need to open "Disk Management" tool. (Right click on "My Computer" select "Manage", choose "Disk Management" element.) Right-click on disk and choose "Initialize Disk". This will open initialization dialog. Choose yo...

It seems that your trial period comes to an end or you do not have valid license to add device.
Please send us your log files if you sure that your license is valid. You can find them in logs directory. Also add file starwind.cfg from StarWind root directory.