I downloaded a trial version of ArcGIS Pro. I also setup my ArcGIS Online account. When I start ArcGIS Pro, I receive the following error:

It then sends me back to this screen:

This due to my company's web proxy. I have tried adding arcgis.com to the exception list and making it a trusted site, but the web proxy won't allow those changes. Is there a way to configure a proxy for ArcGIS Pro on my desktop?