Is this happening on your Mac computer?
if yes, are you using Safari browser?
okay try these steps please>
From the Safari menu bar click Safari > Preferences then select the Extensions tab. Uninstall one extension at a time, quit and relaunch Safari to test.
Then Back to Safari > Preferences. This time select the Security tab. Deselect: Allow plug-ins. Quit and relaunch Safari .Then >
Then on your Mac>Go to System Preferences>Network, select Wi-Fi on the left and then click on the 'minus' button beneath it. Then click on the 'plus' button and from the drop-down menu select Wi-Fi to set up a new connection.
Then reboot the computer and check for normal operation.
Let me know if this does not work and we can try another solution.
Please reply and let me know if you need any other assistance or if everything is good, take a moment to rate my service by choosing one of the stars at the top, then click submit.
Thank you very much!
Did that work for you?