Performance and connectivity Deal with error messages, crashing applications, connectivity issues, and slow performance. انگریزی میں How to troubleshoot time related errors on secure websites Captive portal detection Connection settings in Firefox How to troubleshoot security error codes on secure websites Manage the devices linked to your Mozilla account What do the security warning codes mean? Rebuilding the Global Database Firefox can't load websites but other browsers can DNS over HTTPS (DoH) FAQs How do I report a broken site in Firefox desktop? Multi-Hop - Encrypt your data twice for enhanced security while using Mozilla VPN Firefox DNS over HTTPS Mozilla VPN won’t connect or keeps disconnecting - How to fix Resist Fingerprinting How to let Firefox use the internet on your Windows computer How can I tell if Mozilla VPN is connected? Browsing history in Firefox - View the websites you have visited How to enable Always-on VPN on Android Websites look wrong or appear differently than they should Firefox blocked by macOS 15 Sequoia firewall - What you need to know Disable Firefox Sync Compacting folders - Potential complications Server Not Found - Troubleshoot connection problems Connecting to unsecured networks while using Mozilla VPN Joining public WiFi while on Mozilla VPN Certificate warnings in Firefox for iOS Some videos won't play in background How to obtain the Mozilla VPN Logs What is the Mozilla VPN kill switch? Troubleshooting speed issues on Mozilla VPN HTTPS-First upgrades to secure connections How to resolve weak crypto error messages on Firefox How to send a crash report on Firefox for Android Profiling Thunderbird Performance Report Site Issues on Firefox for iOS Firefox for iOS won't load web pages Fritz!box isn't working when Mozilla VPN is on Exclude applications from Mozilla VPN protection Difficulties opening or using a website in Firefox Focus for Android 100 Search your browsing history in Firefox for iOS Why do I see a white screen after updating Mozilla VPN to version 2.8.3? RCS messaging and Mozilla VPN Address screen sharing issues with Firefox on macOS 15 Sequoia Bug 1931078 Troubleshoot Firefox crashes (closing or quitting unexpectedly)