During February 2025, Butichex focused on improving the reliability of CPU program execution on Windows for the tinygrad/tinygrad repository. Addressing a platform-specific issue, Butichex delivered a targeted bug fix that ensured proper instruction cache flushing and memory deallocation when CPUProgram objects are deleted. This work required low-level programming expertise, leveraging C, Python, and the Windows API through Python Ctypes to manage memory and system calls effectively. By resolving the risk of stale caches and memory leaks, Butichex enhanced cross-platform stability for Windows users, demonstrating careful attention to detail and a strong understanding of system-level resource management in production code.