Nvidia has confirmed that new graphics card drivers will cause blue screen crash loops on Windows 10 PCs that can’t execute a certain CPU instruction called POPCNT (Population Count). Specifically, older Windows 10 computers with CPUs that can’t handle the POPCNT instruction will crash during Windows bootup if installed with Nvidia’s graphics drivers from Release 555 (June 2024) or later. Starting with Release 555, Nvidia’s drivers no longer support older CPUs without the POPCNT instruction, causing Windows 10 to blue screen upon restarting after driver installation. If you have a supported Nv…