https://devzone.nordicsemi.com/f/nordic-q-a/97428/nfc-launch-app-sample-crashes-on-nrf52840-dkHello I built the NFC record_launch_app sample from nrf\samples\nfc but it crashes before it gets to main on my nRF52840 DK I don&#39;t see any printk messages at all in the RTT viewer When trying to debug it crashes in cbprintf_package_convert functionen-USTelligent Community 13Wed, 08 Mar 2023 16:40:59 GMThttps://devzone.nordicsemi.com/thread/414215?ContentTypeID=1Wed, 08 Mar 2023 16:40:59 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0a2f8134-b0b6-4ea7-adba-623d4eb24187Raoul<p>Thanks for noting! I&#39;m glad you discovered it was the cable, that&#39;s often something we forget to consider.&nbsp;If you&#39;re in doubt in the future, you could use <code>nrfjprog</code> with the <code>--verify</code>&nbsp;option to verify that the flashing was&nbsp;successful.</p> <p>Best regards,</p> <p>Raoul</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/414153?ContentTypeID=1Wed, 08 Mar 2023 13:48:54 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1bde3199-87ff-407d-829b-cad88db916d0AndyM<p>Never mind. I replaced the USB cable and everything works now. One odd thing is that with the bad cable programming succeeded but the app did not run.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/413973?ContentTypeID=1Tue, 07 Mar 2023 23:04:40 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3abcda7b-d1a7-49e7-b42f-0171488c99f9AndyM<p>To clarify&nbsp;<br />I use Zephyr 2.2.0 SDK and VSCode</p><div style="clear:both;"></div>