The Firefox browser could be outdated and may need an update.Some of the most common include the following There are very many reasons why Firefox may be crashing on Windows 10. Part 1: Why Does My Firefox Keep Crashing? Part 4: Bonus Tips: Recover Lost Data from PC with Recoverit.Part 3: How Do I View a Firefox Crash Report?.Part 2: How Do I Stop Firefox from Crashing.Part 1: Why Does My Firefox Keep Crashing?.