OPERA (WINDOWS) - CLEARING CACHE AND COOKIES
1. Open the red O and then click Settings. Alternatively you can press Alt and P together.
2. Open the Privacy & Security tab. Now click Clear browsing data...
3. In the drop-down box select the beginning of time. Then check only Cookies and other site data and Cached images and files. Now click Clear browsing data.
OPERA (MACINTOSH) - CLEARING CACHE AND COOKIES
1. Click on Opera and then click on Clear Private Data....
2. From the "Obliterate the following items from:" drop down menu, choose the beginning of time. Then check Empty the cache and Delete cookies and other site data. Lastly as the final step, click on Clear Browsing Data.