Supplement :
1.download coventor2008licgen.rar from baluba(in here !!)
2.change coventor1a.dat content :
your-host --> your hostname
your-id --> your Network card MAC address(HOSTID)
HOSTID=0 --> HOSTID=your Network card MAC address
example:
your hostname is winxp-1
your Network card MAC address(HOSTID) is 0123456789ab