In Chrome:

From the “Menu” button in the upper-right corner of the Chrome window,

• Click More tools Clear browsing data.
• At the top, choose a time range. To delete everything, select All time.
• Next to "Cookies and other site data" and "Cached images and files," check the boxes.
• Click Clear data.

In Firefox:

Follow the instructions at Mozilla

In Safari, for Macs:

Follow the instructions at Apple

Still having issues; reach out to Helpline or go to technology.kenyon.edu