

yes, i have downloaded the file from https://files.nordicsemi.com/artifactory/swtools/external/nrfutil/packages/nrfutil/nrfutil-x86_64-pc-windows-msvc-8.0.0.tar.gz directly in the web browser?, but the problem still exist,
2025-09-09T03:24:13.094Z INFO Initialising nrfutil module: device
2025-09-09T03:24:13.129Z DEBUG Application data folder: C:\Users\yan.ceng\AppData\Roaming\nrfconnect\pc-nrfconnect-ppk
2025-09-09T03:24:13.188Z DEBUG Sending event "ppk: running nrfutil device"
2025-09-09T03:24:13.188Z DEBUG App pc-nrfconnect-ppk v4.0.0 (official)
2025-09-09T03:24:13.188Z DEBUG App path: C:\Users\yan.ceng\.nrfconnect-apps\node_modules\pc-nrfconnect-ppk
2025-09-09T03:24:13.188Z DEBUG nRFConnect 5.0.0, required by the app is (>=4.4.1)
2025-09-09T03:24:13.188Z DEBUG nRFConnect path: C:\Users\yan.ceng\AppData\Local\Programs\nrfconnect\resources\app.asar
2025-09-09T03:24:13.188Z DEBUG HomeDir: C:\Users\yan.ceng
2025-09-09T03:24:13.188Z DEBUG TmpDir: C:\Users\yan.ceng\AppData\Local\Temp
2025-09-09T03:24:14.693Z DEBUG Sending event "ppk: running nrfutil device"
2025-09-09T03:25:42.020Z ERROR Error: Failed with exit code 1.
Could not update package registry
Caused by:
0: failed to fetch `github.com/.../nrfutil-package-index`
1: failed to send request: 操作超时
; class=Os (2).
2025-09-09T03:25:42.020Z ERROR Error while updated nrfutil core
2025-09-09T03:25:42.042Z DEBUG Sending event "ppk: running nrfutil device"
2025-09-09T03:25:42.042Z DEBUG Sending event "ppk: running nrfutil device"
2025-09-09T03:25:42.052Z DEBUG Sending event "ppk: running nrfutil device"
2025-09-09T03:25:42.177Z INFO Using nrfutil-device core version: 7.7.1
2025-09-09T03:25:43.247Z INFO Device Connected SN:000601022398
2025-09-09T03:25:43.248Z INFO Getting serialport options from persistent store 000601022398.pc-nrfconnect-ppk
2025-09-09T03:25:43.249Z DEBUG Sending event "ppk: device connected"
2025-09-09T03:25:43.249Z INFO Device Connected SN:EB3C6961A90F
2025-09-09T03:25:43.250Z INFO Getting serialport options from persistent store EB3C6961A90F.pc-nrfconnect-ppk
2025-09-09T03:25:43.251Z DEBUG Sending event "ppk: device connected"
2025-09-09T03:25:43.251Z INFO Device Connected SN:null
2025-09-09T03:25:43.252Z DEBUG Sending event "ppk: device connected"
2025-09-09T03:25:43.529Z INFO Using nrfutil-device version: 2.1.1
2025-09-09T03:25:43.529Z INFO Using nrf-device-lib version: 0.17.5
2025-09-09T03:25:43.529Z INFO Using nrfjprog DLL version: 10.24.0
2025-09-09T03:25:43.529Z INFO Using JLink version: JLink_V8.18
2025-09-09T03:25:43.529Z WARN Installed JLink version does not match the expected version (JLink_V7.94e)
sorry, actuallly the error log does not affect the PPK recognition, now the ppk can be recognized , thanks!!!
I'm glad to hear that!