How to Fix SYSTEM_THREAD_EXCEPTION_NOT_HANDLED Error in Windows How to Fix SYSTEM_THREAD_EXCEPTION_NOT_HANDLED Error in Windows Learn how to fix the SYSTEM_THREAD_EXCEPTION_NOT_HANDLED error in Windows with this step-by-step troubleshooting guide. Follow these 8 simple steps to resolve driver and system-related issues. Key Takeaways Step Action Purpose 1 Boot into Safe Mode Starts Windows with minimal drivers to