Sometimes, it is necessary to clear chache in your browser. It is a good practice to do it after the system upgrade to make sure that your application is running on the latest version and doesn't use any previously stored data. Please see the instruction below how to perform this operation. 

On your computer, open Chrome.

1. On your browser toolbar, click More > More Tools > Clear Browsing Data.

2. In the "Clear browsing data" box, click the checkboxes for Cookies and other site data and Cached images and files and Hosted app data.

3. Use the menu at the top to select the amount of data that you want to delete. Choose beginning of time to delete everything.

4. Click Clear browsing data.