Mozilla fixes Firefox crashes on Windows

Mozilla is rolling out yet another update for the Firefox browser. Version 140.0.2 follows the just-released version 140.0.1 to address more bugs causing crashes on Windows in certain scenarios.

Here is what the release notes say:

• Fixed a startup crash on Windows experienced by some users. (Bug 1974259)

According to a post on Bugzilla, Mozilla's bug tracker for Firefox, the browser crashes with the ERROR_INVALID_HANDLE or ERROR_INVALID_PARAMETER error. This happens when Exploit Protection is enabled in Windows security settings.

While that is a feature a regular user is unlikely to fiddle with, Exploit Protection is enabled for apps from the Microsoft Store. As such, crashes are most likely occurring for users with Firefox downloaded from the Microsoft Store. Still, if Exploit Protection is enabled globally, "standard" Firefox downloaded from the official website also fails.

Note that the bug does not affect newer Firefox versions. Now, with Firefox 140.0.2 out, the browser should no longer crash regardless of your security settings or the browser origin. For reference, you can find the release notes for the latest update here; for version 140.0.1 (which fixed a couple of crash-inducing bugs), here; and for version 140.0 (a major release), here.

As usual, you can update Firefox by heading to Menu > Help > About Firefox. The browser is available on the official website, in the Microsoft Store for Windows 10 and 11 users, or on Neowin's Software page.

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