Bug when closing some tabs

[piotrekslusarz]

A way to avoid this?

[dark_moon]

Where did you get this error?
Never see that.

See also viewtopic.php?f=3&t=49

[piotrekslusarz]

It occurs at random pages.
Windows 7
Pale Moon 25.2.2
32 bit
Today a: Australium 2.0.3
Installed add-ons: Active Stop Button,All Menus Button.Bamboo Feed Reader,Color My Tab,Date Picker/Calendar (Pseudo-static),Decentraleyes,
Encrypted Web,Extension Preferences Menu,Flagfox,I don't care about cookies,Menu Icon Plus,Omnibar,Pale Moon Commander,Restart Manager,
S3.Google Translator,Show My Password,Tiny Menu.
Installed plugins: Java(TM) Platform SE 8 U91 (11.91.2.14),Java Deployment Toolkit 8.0.910.14(11.91.2.14),Shockwave Flash(21.0.0.242),
Google Update(1.3.24.15),Silverlight Plug-In(5.1.41212.0),Photo Gallery(16.4.3528.331),Windows Media Player Plug-in Dynamic Link Library(3.0.2.625),Microsoft Corp. DRM Netscape Plugin( 1.0.0.1)

[dark_moon]

I would say one of your tab addon make this problem.
Try disable one by one.

[satrow]

In about:config, set browser.tab.animate to "false" should 'fix' it.

[piotrekslusarz]

None of the additives card does not cause an error.
https://bugzilla.mozilla.org/show_bug.c ... 08589#c151
Thank dark_moon and satrow.

[Moonchild]

Satrow's suggestion is a workaround. The closing animation not finishing is normally caused by something not releasing the tab resource. Extensions are almost always the cause -- since your trace shows XULobject, it's very likely a tab manipulation or overlay extension for content that causes this. Disabling the extension in question would fix the root cause.