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  1. Does Firefox has sandbox mode? if yes, how to run?

    Feb 26, 2016 · Does Firefox has sandbox mode? for secure browsing dangerous websites. if yes, how to run sandbox mode? Thankfully.

  2. How to use Firefox containers | Firefox Help - Mozilla Support

    Aug 8, 2025 · This allows you to always open new tabs in containers of your choosing for a more private browsing experience. Each container is isolated from the others, so you can access …

  3. Install Firefox on Windows - Mozilla Support

    Mar 5, 2014 · Twitter Join our Community Explore Help Articles Firefox Download Firefox desktop Android Browser iOS Browser Focus Browser Firefox for Developers Developer Edition Beta …

  4. Bingmaps will not load - WebGL is disabled for my browser

    Jul 30, 2025 · I started Firefox in Troubleshoot mode by holding the shift key down while starting Firefox. Same problem with bingmaps. I cleared the browser cache - same problem. I only …

  5. Firefox security features warning on Linux | Firefox Help

    Mar 5, 2025 · The sandbox in Firefox makes use of unprivileged user namespaces when creating new processes for enforcing more security. This can be considered a security risk, therefore …

  6. Client Challenge - Mozilla Support

    This may be due to a browser extension, network issues, or browser settings. Please check your connection, disable any ad blockers, or try using a different browser.

  7. All pages are blank, including about:config and about:preferences

    Mar 26, 2021 · If I start firefox with MOZ_DISABLE_CONTENT_SANDBOX=1 all works fine. Problem appeared after I accidentally used all of my laptop RAM with other app. Firefox didn't …

  8. Client Challenge - Mozilla Support

    Please check your connection, disable any ad blockers, or try using a different browser.

  9. I can’t play audio on a Remote Desktop Connection

    Jun 6, 2022 · In the meantime, you can reduce the sandbox security level by following these steps: Warning: These instructions are for experienced Firefox users. Changing settings in the …

  10. Question marks instead of words on some websites

    Jul 7, 2017 · Hi carolinchicago, Firefox 56 ratcheted up the security sandbox, limiting which files pages can use on your system. This apparently prevents Firefox from using font files in a …