Troubleshoot Power BI for Office 365 sites
The Power BI for Office 365 site doesn’t load
If you get an error message when you try to go to your Power BI site, remove it from your trusted sites.
Go to the Trusted Sites list:
In Internet Explorer, go to Tools > Internet Options > Security > Trusted Sites > Sites.
In Chrome, go to Settings > Show Advanced Settings > Network > Change Proxy Settings > Security > Trusted Sites > Sites.
If the Power BI sites URL (sites.powerbi.com) is in the list of trusted sites, remove it.
More about Power BI for Office 365 sites
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