Step 4: Temporarily turn off your antivirus Make sure your device is up-to-date on Windows, Mac, or another operating system. To fix the error, turn off the extension. If the page opens, a Chrome extension isn't working right. Open the page you were visiting in an Incognito window. Step 2: Open the page in Incognito mode (computer only)
To see the sign-in page, visit a page that uses Wi-Fi networks at places like cafes or airports need you to sign in.
If the error mentions HSTS, privacy certificates, or invalid names, try the following steps: Step 1: Sign in to the portal