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Page does not load in tab 1, but same page loads on the tab 2

  • 2 replies
  • 1 has this problem
  • 55 views
  • Last reply by taseron

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I'm using 83.0 64bit on Windows 7 SP2. This problem occurs randomly.

I try to open a site; say reddit.com, on a blank tab and it stalls. It never loads. The grey ball on the tab title moves side to site and the page is blank. I open a new tab and type in the same url and it loads fine in the 2nd tab. (The 1st tab is still blank and loading... ) It's not just reddit.com. This problem happens on any sites, Google, vk.com, facebook, etc... When the tab stalls once, it never works with any of the URLs I type in or click from bookmark.

I tried clearing the cache and cookies but it didn't help.

Any suggestions?

All Replies (2)

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Start Firefox in Safe Mode to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if hardware acceleration or userChrome.css is causing the problem.

  • switch to the DEFAULT theme: "3-bar" menu button or Tools -> Add-ons -> Themes
  • do NOT click the "Refresh Firefox" button on the Safe Mode start window

It is possible that (anti-virus) security software is causing the problem. Try to disable security software temporarily to see if that makes a difference.

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Hi again, I tried stopping all the extensions but it did not solve the problem. My Theme is already in `default`. Here is some new clues I've collected about the issue;

I was watching a video on Youtube and in the middle of the video the playback stalled as if the connection was lost. I copied the url of the video and pasted it in a new tab and it worked fine on the new tab while it was stalled in the first one. This show that the loading problem doesn't only appear during the initial loading of a page. It can also happen 15 mins after opening a tab, during a video chunk download.

Another thing I've noticed is, the tab page becomes functional again if I open `about:config` page. This is the only thing I have discovered yet that recovers the tab from being non-responsive. (Typing in another url, using the Home button or a Bookmark doesn't help)

It looked like a disk I/O error that a browser cache chunk is randomly being written over a bad sector that Firefox can't read but I checked the SSD for errors and it's all OK.

What could be the culprit?

Modified by taseron