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Error while probing devices: Error occured when get serial numbers. Errorcode: CouldNotCallFunction (0x9) Lowlevel error: INVALID_OPERATION (fffffffe)

Error while probing devices: Error occured when get serial numbers. Errorcode: CouldNotCallFunction (0x9) Lowlevel error: INVALID_OPERATION (fffffffe)

popped up on the log when I started the nRF Connect program. 

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Total error code is


2020-07-17T05:36:24.980Z INFO Application data folder: C:\Users\강수진\AppData\Roaming\nrfconnect\pc-nrfconnect-ble

2020-07-17T05:36:25.147Z DEBUG App pc-nrfconnect-ble v2.4.0 official

2020-07-17T05:36:25.147Z DEBUG App path: C:\Users\강수진\.nrfconnect-apps\node_modules\pc-nrfconnect-ble

2020-07-17T05:36:25.147Z DEBUG nRFConnect 3.4.1 is supported by the app (^3.4.0)

2020-07-17T05:36:25.147Z DEBUG nRFConnect path: C:\Users\강수진\AppData\Local\Programs\nrfconnect\resources\app.asar

2020-07-17T05:36:25.147Z DEBUG HomeDir: C:\Users\강수진

2020-07-17T05:36:25.147Z DEBUG TmpDir: C:\Users\강수진\AppData\Local\Temp

2020-07-17T05:36:25.174Z ERROR Error while probing devices: Error occured when get serial numbers. Errorcode: CouldNotCallFunction (0x9)

Lowlevel error: INVALID_OPERATION (fffffffe)

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I am encountering this issue when I am launching the software of nRF connect v3.3.0 and calling the Bluetooth Low Energy app . Our current situation is stated below. 

  • nRFgo, segger J Link, nRF5x-command-line, segger imbedded, SDK is downloaded. 
  • We are using the Windows 64-bit. 
  • We have nRF52480 DK module.

also, what I find strange is that I don’t have the AppData file under my Users\강수진 file.

(+ I tried changing my users name into English, but it still doesn’t work.)

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