Cpuz143_x64 Sys Windows 11 May 2026

If you’ve spotted cpuz143_x64.sys running in the background or crashing on your Windows 11 PC, don’t panic — it’s not malware.

✅ 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. cpuz143_x64 sys windows 11

✅ A legitimate driver file from CPU-Z , the popular system profiling and monitoring tool. If you’ve spotted cpuz143_x64

🔁 Uninstall CPU-Z via Settings > Apps, then restart. The .sys file will be removed automatically. cpuz143_x64 sys windows 11