when i try go to acer web site secure connection failed

Works for me. see screenshot https://www.acer.com/us-en/support/drivers-and-manuals What security software besides MS Defender are you running? Did you try with Firefox in Troubleshoot Mode? https://support.mozilla.org/en-US/kb/diagnose-firefox-issues-using-troubleshoot-mode#search Did you clear your browser cache? https://support.mozilla.org/en-US/kb/clear-cookies-and-site-data-firefox Windows home or pro? If you're running Windows Pro version, I would test in '''Windows Sandbox''' to confirm. https://www.howtogeek.com/399290/how-to-use-windows-10s-new-sandbox-to-safely-test-apps/