Firefox returns "Looks like there’s a problem with this site" for every site. Other browsers work.
Setup: macOS Tahoe (26.4) and Firefox 149.0
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Behavior: Out of the blue this morning, every website I try to visit in Firefox returns "Looks like there’s a problem with this site". Every other browser works fine.
Things I've tried, that haven't fixed it: - Ruled Out DNS: Sites like 1.1.1.1 and my home router's IP return the same issue in Firefox, but also resolve in any other browser. - Firefox Safe Mode: no fix - Deleted All Settings, Reinstalled Fresh: - Removed the Firefox App, deleted:
- ~/Library/Application\ Support/Firefox
- ~/Library/Caches/Mozilla
- ~/Library/Caches/Firefox
...and then downloaded and installed 149.0 fresh. - Refreshed Firefox (via [link] - about:preferences (toggled between FALSE and TRUE, testing each time) via this YouTube video
- network.dns.disableIPv6 - network.dns.disablePrefetch - network.dns.disablePrefetchFromHTTPS - network.dns.disable
....and in desperation, I checked my Mac for Malware (clean)
I'm at a complete loss: every other browser works, but Firefox is a 100% fail for all websites. Any thoughts?
Solusi terpilih
Hey Everyone,
This is resolved. After a long amount of troubleshooting:
I had a VPN product that created multiple configurations in my network settings. One of these configurations was flapping, which (for whatever reason) didn't affect any other browser. As soon as I deleted that config, everything started working. D'oh!
My original post summarized the best wisdom I could find from multiple sources, so hopefully it's helpful for others to find in one place. Thanks!
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Solusi Terpilih
Hey Everyone,
This is resolved. After a long amount of troubleshooting:
I had a VPN product that created multiple configurations in my network settings. One of these configurations was flapping, which (for whatever reason) didn't affect any other browser. As soon as I deleted that config, everything started working. D'oh!
My original post summarized the best wisdom I could find from multiple sources, so hopefully it's helpful for others to find in one place. Thanks!
This does not happen for me on EVERY web site. But how can I simply dismiss and/or disable the notification? The notification takes up significant screen real estate AND affects the page being viewed, so that it can be impossible to see or interact with the page I'm trying to view. Please add an X (close) button, or an OK button or SOMETHING that will dismiss the notification.
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