If you're having issues streaming videos using a web browser, clearing your browser cache may solve your issue. Please see below for instructions on how to do this for your browser.
Google Chrome
On your computer, open Chrome.
At the top right, click More .
Click More toolsClear browsing data.
At the top, choose a time range. To delete everything, select All time.
Check the "Cached images and files" and "cookies and other site data" boxes.