
Intrusive or untested plug-ins result in instability.There are malicious or intrusive files in installation folder or in the cache memory.Here are some common causes of Firefox keeps freezing. You may raise a question “why is Firefox not responding”. For instance, Firefox won’t open, Firefox high CPU usage, Firefox not responding, etc. Though Mozilla Firefox is considered as one of the best browsers for Microsoft operating system, there are some issues with Firefox indeed like any other applications. Fix 2: Check for the Required Access Rights.MiniTool will tell you how to fix this error in this post. However, a large number of users complain Firefox not responding sometimes. Mozilla Firefox is one of the most popular Internet browsers due to its high-speed and high-level security.
