student license key error

i am using altair inspire from last 1 year but suddenly i got problem today.had gone through all basic troubleshooting of and i had checked all the steps mentioned and followed what was told .i couldn't find anything wrong there but then also license error is showing. just having doubt that host id in license key match with Wireless Adapter LAN Wifi and not with Ethernet adapter Ethernet. please help me out whats wrong in this