✅ A legitimate driver file from CPU-Z , the popular system profiling and monitoring tool.
🔁 Uninstall CPU-Z via Settings > Apps, then restart. The .sys file will be removed automatically. cpuz143_x64 sys windows 11
✅ CPU-Z installs this kernel-mode driver ( cpuz143_x64.sys ) to read low-level hardware info — CPU voltage, clock speeds, cache, and motherboard details. The "143" refers to version 1.43 of the driver. ✅ A legitimate driver file from CPU-Z ,