Yo, I would google 'clear browser cache'
Click on a link that explains it for whatever web browser you are using (Edge, Chrome, Firefox etc). Restart your browser once this is done and it shouldn't have any issues.
Edit - here's an explainer for Google Chrome
When you use a browser, like Chrome, it saves some information from websites in its cache and cookies. Clearing them fixes certain problems, like loading or formatting issues on sites. In Chrome
support.google.com