

yes,100% updated.
hi,I am facing a similar problem. and I can confirm my network is operational, The log is as follows:
2025-09-08T02:15:56.211Z INFO Initialising nrfutil module: device
2025-09-08T02:15:56.253Z DEBUG Application data folder: C:\Users\yan.ceng\AppData\Roaming\nrfconnect\pc-nrfconnect-ppk
2025-09-08T02:15:56.312Z DEBUG Sending event "ppk: running nrfutil device"
2025-09-08T02:15:56.313Z DEBUG App pc-nrfconnect-ppk v4.0.0 (official)
2025-09-08T02:15:56.313Z DEBUG App path: C:\Users\yan.ceng\.nrfconnect-apps\node_modules\pc-nrfconnect-ppk
2025-09-08T02:15:56.313Z DEBUG nRFConnect 5.0.0, required by the app is (>=4.4.1)
2025-09-08T02:15:56.313Z DEBUG nRFConnect path: C:\Users\yan.ceng\AppData\Local\Programs\nrfconnect\resources\app.asar
2025-09-08T02:15:56.313Z DEBUG HomeDir: C:\Users\yan.ceng
2025-09-08T02:15:56.313Z DEBUG TmpDir: C:\Users\yan.ceng\AppData\Local\Temp
2025-09-08T02:15:57.659Z DEBUG Sending event "ppk: running nrfutil device"
2025-09-08T02:17:41.374Z ERROR Error: Failed with exit code 1.
Failed to install nrfutil
Caused by:
0: Could not download package
1: failed to download from `developer.nordicsemi.com/.../nrfutil-x86_64-pc-windows-msvc-7.11.1.tar.gz`
2: failed to get 200 response from `developer.nordicsemi.com/.../nrfutil-x86_64-pc-windows-msvc-7.11.1.tar.gz`, got 404.
2025-09-08T02:17:41.374Z ERROR Error while updated nrfutil core
2025-09-08T02:17:41.388Z DEBUG Sending event "ppk: running nrfutil device"
2025-09-08T02:17:41.388Z DEBUG Sending event "ppk: running nrfutil device"
2025-09-08T02:17:41.395Z DEBUG Sending event "ppk: running nrfutil device"
2025-09-08T02:18:03.422Z ERROR Error: Failed with exit code 1.
Failed to bootstrap core functionality before executing command.
Failed to download bootstrap tarball using config:
files.nordicsemi.com/.../
bootstrap.json
See the details below for further information on the error.
Caused by:
0: HTTP request to "">files.nordicsemi.com/.../nrfutil-x86_64-pc-windows-msvc-8.0.0.tar.gz" failed
1: error sending request for url (files.nordicsemi.com/.../nrfutil-x86_64-pc-windows-msvc-8.0.0.tar.gz)
2: client error (Connect)
3: tcp connect error: 由于连接方在一段时间后没有正确答复或连接的主机没有反应,连接尝试失败。 (os error 10060)
4: 由于连接方在一段时间后没有正确答复或连接的主机没有反应,连接尝试失败。 (os error 10060).
2025-09-08T02:18:03.443Z ERROR Error: Failed to bootstrap core functionality before executing command.
Failed to download bootstrap tarball using config:
files.nordicsemi.com/.../
bootstrap.json
See the details below for further information on the error.
Caused by:
0: HTTP request to "">files.nordicsemi.com/.../nrfutil-x86_64-pc-windows-msvc-8.0.0.tar.gz" failed
1: error sending request for url (files.nordicsemi.com/.../nrfutil-x86_64-pc-windows-msvc-8.0.0.tar.gz)
2: client error (Connect)
3: tcp connect error:
2025-09-08T02:18:03.443Z ERROR 由于连接方在一段时间后没有正确答复或连接的主机没有反应,连接尝试失败。 (os error 10060)
4: 由于连接方在一段时间后没有正确答复或连接的主机没有反应,连接尝试失败。 (os error 10060)
2025-09-08T02:18:03.447Z ERROR Error: Failed with exit code 1.
2025-09-08T02:18:03.493Z ERROR Error: Failed with exit code 1.
Failed to bootstrap core functionality before executing command.
Failed to download bootstrap tarball using config:
files.nordicsemi.com/.../
bootstrap.json
See the details below for further information on the error.
Caused by:
0: HTTP request to "">files.nordicsemi.com/.../nrfutil-x86_64-pc-windows-msvc-8.0.0.tar.gz" failed
1: error sending request for url (files.nordicsemi.com/.../nrfutil-x86_64-pc-windows-msvc-8.0.0.tar.gz)
2: client error (Connect)
3: tcp connect error: 由于连接方在一段时间后没有正确答复或连接的主机没有反应,连接尝试失败。 (os error 10060)
4: 由于连接方在一段时间后没有正确答复或连接的主机没有反应,连接尝试失败。 (os error 10060).
and I saw the PPKdevice show DFU Trigger in the device manager . 
I manually installed nrfutil and update to latest version, but PPK2 still could not be recognized.
Are your computer able to download 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?