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I am now getting multiple "400 Bad Request Request Header Or Cookie Too Large" - browser clean no longer works

duplicate of /questions/1466153 thread I thought I had solved this by adding the website to the "safe" list - I really cannot say how frustrating this is if I am being l… (Lesen Sie mehr)

duplicate of /questions/1466153 thread

I thought I had solved this by adding the website to the "safe" list - I really cannot say how frustrating this is if I am being locked out of even safe sites. - This is a browser issue (I'm not that naive).

There is no real response from Moacilla(Firefox) here apart from throwing the Rulebbok at me and saying "Read!". I can only do so much Tune ups" and shut downs and ensure drives are functional. Please advise on the Browser Cache situation, rspecially as BBC iPlayer is added to the "Safe List" and yet still throws up the 400 Bad Gateway error message - an early reply would be useful.

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Youtube

Can you please help me with YouTube it stopped working even Instagram and TikTok stopped please help me fix it thank you.

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account duplicates

Please 🙏 I am tired of the same thing nothing changes I will get control over my podcast and Cash app pay pal and they take it right back I truly know who's doing this wh… (Lesen Sie mehr)

Please 🙏 I am tired of the same thing nothing changes I will get control over my podcast and Cash app pay pal and they take it right back I truly know who's doing this where do I start

Gelöst Archiviert 1 288

Mozilla message says I'm running Win 10, but my system says Win 11

Earlier I logged in to Firefox to pose a question. Checking email, I had a notice from Mozilla that my account was used to sign in: Firefox on Windows 10 / United State… (Lesen Sie mehr)

Earlier I logged in to Firefox to pose a question. Checking email, I had a notice from Mozilla that my account was used to sign in: Firefox on Windows 10 / United States (estimated) / Thursday, Oct 23, 2025.

Does Firefox think I'm using Win 10??? I checked my computer and it verifies that I am running Win 11 with all updates.

Call me confused. Or is this a non-issue? I ask because I'm trying to get into a member website and after I login, it takes me to a page that is for new signers ... not an existing member. Has happened several times.

Thanks,

Ron

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AMD driver freeze when watching stream in firefox

I have a two monitor setup. Since I installed the new AMD driver (26.1.1), sometimes when I play a game on my main monitor, and watch stream on Twitch in Firefox on my se… (Lesen Sie mehr)

I have a two monitor setup. Since I installed the new AMD driver (26.1.1), sometimes when I play a game on my main monitor, and watch stream on Twitch in Firefox on my second monitor, it can cause the PC to freeze completely. I hear the sound, but the image is stuck.

I tried to disable the hardware acceleration in Firefox, and it seemed like a good solution. But because of that (which is its function), sites became laggy.

Is this a Firefox, or an AMD issue? Or Windows (I'm on Windows 11 25H2)? I will try to install an older AMD driver, but honestly streams had became laggy before the driver update for me.

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When opening Claude in the AI chatbot, the leftmost area cannot be clicked.

When using the AI chatbot in the Firefox browser, I cannot click to the left of a certain coordinate only when Claude is open. This issue does not occur with other AI bot… (Lesen Sie mehr)

When using the AI chatbot in the Firefox browser, I cannot click to the left of a certain coordinate only when Claude is open. This issue does not occur with other AI bots (such as ChatGPT or Gemini). What could be the cause? My environment is as follows:

OS: Windows 11 Pro x64 Firefox version: 147.0.4

Additionally, tabs are set to vertical display, and the sidebar expands only when the cursor hovers over it.

Thanks.

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Helping site

I am a shop keeper .

 My Google browser is very slow .

I am deside Firefox browser open.

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Videos not playing

I am using Pop OS. Videos are not playing in firefox. In youtube it shows loading infinitly. In reddit all videos become green. I tried playing a downloaded video it also… (Lesen Sie mehr)

I am using Pop OS. Videos are not playing in firefox. In youtube it shows loading infinitly. In reddit all videos become green. I tried playing a downloaded video it also become green. These are only happening in integrated mode. If I use hybrid graphics mode all works good. I attached the about:support page and about:config page.

about:config page link about:support page

These files are taken in integrated graphics mode.

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