This guide will run you through forgetting the Eduroam network on a Windows 10 machine. 
This will clear out any misunderstandings (example: password) between your machine and the Eduroam network.

Open System Preferences > Click Network

Select Wi-Fi > Click Advanced

Select Eduroam > Click -

Congratulations! You have successfully forgotten the Eduroam network, you are ready to add it again, Guide to adding the Eduroam network