non trusted wifi

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http://forums.androidcentral.com – I tried to access the wifi on my job for the first time today. When I did, I got a warning screen that said google achrome does not trust this source and that I should not proceed. Is this normal? My Nexus 7 has not done this on ather wifi spots. My Samsung Statosphere has no issue with the wifi. Should I go ahead and connect to the work wifi with my Nexus? (HowTos)