If you are looking for general eduroam wireless set up instructions, please read Use Get Started at UD to sign-up for eduroam Wi-Fi instructions.
General description of the issue
The instructions below is to resolve instances of the SecureW2 WiFi wrapper not opening on macOS computers. If you are unsure whether this applies to you, please consult your local IT support. This is typically encountered on macOS computers where eduroam Wi-Fi were set up previously. In the screen capture image example below, double clicking or right clicking to select open on the SecureW2 WiFi_JoinNow_Wrapper app fails to start the app.

Workaround
- Open Keychain Access. You can find it in the Launchpad > Other section or in your Applications > Utilities section. Click on “Open Keychain Access”.

- In the Keychain Access app, make sure “login” is selected in the left pane.

- Locate and delete these three certificates
- youremail@udel.edu certificate
- clearpass-2.nss.udel.edu certificate
- GlobalSign root certificate

- Close Keychain Access and run the SecureW2 WiFi_JoinNow_Wrapper app.