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Occasionally, you may discover that you’re having trouble loading or using applications on your computer. Clearing your cache and deleting cookies may help resolve the issue. See below for instructions on how to clear the cache and delete cookies in the Mozilla Firefox browser.

Firefox (Windows)

Click the menu icon (three horizontal bars).
Select Options from the drop-down menu.
Click the mask icon to open the Privacy tab and click the clear your recent history link.
Select Everything in the Time range to clear field. Select the Cookies and Cache checkboxes. Then, click Clear Now.

Firefox 15-20 (Mac OS)

Click Firefox in the menu bar.
Select Preferences from the menu.
Click on the Privacy tab.
Click the clear your recent history link.
Click the arrow next to Details to expand.
Select the Cookies and Cache checkboxes.
In the Time range to clear field, select a time range. Then, click Clear Now to complete.

Firefox 21+ (Mac OS)

Click History in the menu bar and select Clear Recent History... from the drop-down.
Complete the selections in the pop-up window.
- Select Everything under the Time range to clear section.
- Expand the Details section and select the Cookies and Cache checkboxes.
Click Clear Now.