Firefox Keeps Crashing Windows 10 Fixes Method 1: Check Your Firefox Client Is Up-to-Date Tip: If Firefox is not responding during the using process, you can refer to this post - Firefox Not Responding? Here Are 4 Effective Fixes for You. In the following part, we will discuss some potential fixes for the Firefox crashing problem. Why does Firefox keep crashing? The reasons for this crash problem contain mismatched cache, incorrect installation, a broken add-on, outdated software, etc. Generally, Firefox keeps crashing in Windows 7, 8, 8.1 and 10. When you click Restart Firefox, this web browser crashes at once on startup. We’ll try to restore your tabs and windows when it restarts”. Sometimes Firefox opens for a few minutes but crashes finally.Īnd the Mozilla Crash Reporter window appears saying “Firefox had a problem and crashed. If you are a user of Firefox, perhaps you have encountered such a case: when launching Firefox, it can open for a second and immediately closes. Firefox Crashing on Startup in Windows 10 If you also have this crashing problem, now get solutions from this post on the MiniTool website. However, many users have reported that Firefox keeps crashing on startup. Mozilla Firefox is one of the best and most popular web browsers that can be used in Windows 10/8/7.