fix problem downloading advanced graphs on yahoo finance

Steps and link to replicate? Do we have to login to replicate the issue? Did you try with Firefox in Troubleshoot Mode? https://support.mozilla.org/en-US/kb/diagnose-firefox-issues-using-troubleshoot-mode#w_how-to-start-firefox-in-4troubleshoot-modesf5safe-modesf Did you try clearing the browser cache? https://support.mozilla.org/en-US/kb/how-clear-firefox-cache# Windows home or pro and what security software are you running besides MS Defender? If pro, you should have '''Windows Sandbox''' enabled for testing. https://www.howtogeek.com/399290/how-to-use-windows-10s-new-sandbox-to-safely-test-apps/