Start Firefox in Safe Mode to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if hardware acceleration is is causing the problem. Options/Preferences -> Privacy & SecurityĬookies and Site Data -> Clear Data -> Cached Web Content: Clear."Remove the Cookies" from websites that cause problems: press "Ctrl + F5" or press "Ctrl + Shift + R" (Windows,Linux)Ĭlear the Cache and remove the Cookies from websites that cause problems via the "3-bar" Firefox menu button (Options/Preferences).hold down the Shift key and left-click the Reload button.You can reload web page(s) and bypass the cache to refresh possibly outdated or corrupted files. You can try these steps in case of issues with web pages: "3-bar" menu button or Tools -> Web Developer.You can check the Web Console about what content is blocked click the shield icon for more detail and possibly disable the protection.make sure your extensions and filters are updated to the latest versionįirefox shows the shield icon at the left end of the location/address bar in case Content Blocking is blocking content.press 'Ctrl + F5' or press 'Ctrl + Shift + R' (Windows,Linux) press 'Command + Shift + R' (Mac) Clear the Cache and remove the Cookies from websites that cause problems via the '3-bar' Firefox menu button (Options/Preferences). If you use extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) that can block (wanted) content (Adblock Plus, NoScript, Disconnect, Ghostery, Privacy Badger, uBlock Origin) always make sure such extensions do not block (wanted) content. hold down the Shift key and left-click the Reload button.