https://devzone.nordicsemi.com/f/nordic-q-a/22380/jlinkarm-dll-issueHello, I have a nrf51DK board with the following setup in my Ubuntu14.04 machine: $ nrfjprog -v nrfjprog version: 9.4.0 JLinkARM.dll version: 6.14h When trying to program through Segger, I keep getting the following error: en-USTelligent Community 13Wed, 20 Jan 2021 14:41:03 GMThttps://devzone.nordicsemi.com/thread/290309?ContentTypeID=1Wed, 20 Jan 2021 14:41:03 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9b814adb-941b-42a4-bc00-08a7ce96e7bbengineer287<p>In my case, the SWD connections were messed up.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/88003?ContentTypeID=1Tue, 13 Jun 2017 16:14:34 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4c2892ed-1295-4335-bd1c-390ad406845dAbhishek Satish<p>I had the same issue when my cable had loose connections with the board. Try holding them tight while flashing and see?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/88004?ContentTypeID=1Mon, 29 May 2017 07:54:49 GMT137ad170-7792-4731-bb38-c0d22fbe4515:afadff14-e5f6-4ee3-bb1e-4c12a5cb5d9cJ&#248;rgen Holmefjord<p>Could you provide the log file? Is the device showing up in the OS? Have you tested with another computer/cable?</p><div style="clear:both;"></div>