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I have never deleted so many emails at one time, around 500. Did I exceed the limits of Thunderbird? I cannot log on. Cannot see new emails. I have been on emailsrvr.com and did verify my passwords. Thank You

My Firefox tabs crash repeatedly even when I tried opening them in Troubleshoot mode. When I play videos in the browser, there's this stuttering, buzzing noise while the sound lags, too. Usually it's tabs playing YouTube videos that crash, but I've also had tabs crash when I try to open completely unrelated websites. I've disabled hardware acceleration, repeatedly cleared my cache, and even tweaked some of my GPU throttling settings, but nothing seems to help.

This has started a few days ago. I'm running Firefox Desktop on Windows 11. Browsing is perfectly normal, until I try to watch a video in full screen mode. It plays normally for a few seconds and then my whole system freezes, with no response to any action except for hard reset. This has never happened to me before, and all other browsers I try do not demonstrate the same problem. Is there any solution other than changing browser permanently?

My 140 version of Thunderbird froze and I removed it and downloaded 140 afresh but it will not run. I just get a white screen and the settings button will not respond.

Hello Firefox community,

Has anyone else been experiencing issues over the past week where Firefox suddenly closes on its own and then reopens with a message saying that something unexpected happened, along with an option to restore previous pages?

I’ve already tried reinstalling the browser, but the problem is still happening. Are there any known issues or suggestions on how to fix this? Any guidance would be greatly appreciated.

Thank you!

I have recently started getting the message "Gah Your tab just crashed" when using firefox W11 lenovo laptop Up to date with updates Started yesterday (26/2) Happens most of the time now Seem OK on another laptop

Hi Firefox Support Team,

I am experiencing an issue with Firefox on my Poco X7 Pro (HyperOS). Pages in tabs automatically reload when returning to the app after switching away, even after only ~1 minute. This happens despite all of the following:

- Battery optimization disabled (No restrictions) - Background activity allowed - App Lock enabled in Recent Apps - Tabs → Close inactive tabs = Never - Delete browsing data on quit = Off - Developer options → Background process limit = No limit - RAM Plus active (~12GB available)

In comparison, Chromium-based browsers like Vivaldi maintain tabs for hours on the same device without reload.

• • Device:** Poco X7 Pro
  • OS:** HyperOS (please add exact version / Build number)
  • Firefox version:** (147.0.3, e.g., 125.0.1)
  • RAM:** 12GB RAM plus active

• • Steps to reproduce:**

1. Open Firefox and navigate to any web page. 2. Switch to another app or go to Home. 3. Wait approximately 1 minute. 4. Return to Firefox. 5. Observe that the page reloads and previous state (scroll position, forms, media) is lost.

• • Expected behavior:** Tabs should retain their state unless the system completely kills the Firefox process.

• • Actual behavior:** Pages reload automatically, even when the process is still in memory.

• • Logs / Attachments:**

- adb logcat / bugreport (firefox_reload_log.txt or bugreport.zip) - Optional screen recording demonstrating the issue - Timestamps of occurrence for reference

Could you please advise if there is a recommended configuration for HyperOS/Poco devices, or if a workaround exists to improve tab persistence for Firefox (Gecko engine) under aggressive memory management?

Thank you for your help.

Best regards, AmirAbbas