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nRF52 DK JLinkARM DLL reported an error.

I cannot access any more my nRF52 DK 10040 with nrfjprog ,indipendently from the command I give.

I use Windows10 nrfjprog command line ,i can see and access JLINK drive with explorer.... what else .........this is log.log output:

--------------------------------------------------------------------------------
C:\Program Files\Nordic Semiconductor\nrf5x\bin\nrfjprog.exe -e --log
nrfjprog verion 9.7.1
--------------------------------------------------------------------------------
FUNCTION: open_dll.
FUNCTION: open_dll.
FUNCTION: enum_emu_snr.
FUNCTION: enum_emu_snr.
FUNCTION: enum_emu_snr.
FUNCTION: enum_emu_snr.
FUNCTION: connect_to_emu_with_snr.
FUNCTION: connect_to_emu_with_snr.
FUNCTION: connect_to_emu_without_snr.
FUNCTION: enum_emu_snr.
Device "NRF52832_XXAA" selected.
FUNCTION: read_connected_emu_snr.
FUNCTION: read_connected_emu_snr.
FUNCTION: read_device_family.
FUNCTION: read_device_family.
JLinkARM.dll CORESIGHT_WriteAPDPReg returned error -1.
JLinkARM.dll CORESIGHT_WriteAPDPReg returned error -102.
FUNCTION: close_dll.
FUNCTION: close_dll.

Thanks for your help!

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