xiahkixiri, please make a note if you will have troubles installing Parallels Tools,
C4 Pazzo, it seems that you are having 2 problems:
1) Install of Parallels Tools is hanged at Registration step
2) After partitial success of installing Parallels Tools, network is not available.
About problem 1, it would be very interesting for us to see logs of parallels tools installation. If you have some time, please create a support ticket at
http://www.parallels.com/support/desktop/request/ and post here its number. We will provide a steps how this logs could be sent to us. Please only one issue in ticket, or it is very hard to process it..
About problem 2, it could be resolved without ticket. Please
1) Post a problem report and post here its number
2) Post here the output of command "ipconfig /all" without quotes at Windows side. To obtain it, please click Start and type cmd.exe
Then type the command "ipconfig /all" and post here the screenshot of output