https://devzone.nordicsemi.com/f/nordic-q-a/127583/application-is-not-flashingI was trying to flash a program on nRF52833 development kit and got this error, it important to notice that my college was trying to flash (via VS code) it before and I am not sure what he did, how could I fix it? From the log file I am getting that outputen-USTelligent Community 13Wed, 25 Mar 2026 13:25:01 GMThttps://devzone.nordicsemi.com/thread/564040?ContentTypeID=1Wed, 25 Mar 2026 13:25:01 GMT137ad170-7792-4731-bb38-c0d22fbe4515:aaba0df4-492b-41a7-a656-d5c5a2d9e574Priyanka<p>Hi,</p> <p>It looks like it could be the APPROTECT/readback protection is enabled and hence you are not able to program.</p> <p>Please close everything, including VSCode, Quick start, Programmer etc, then open command prompt and try:</p> <p><strong>nrfjprog --recover</strong></p> <p>or if you have nrfutil installed,</p> <p><strong>nrfutil device recover</strong></p> <p>After this, APPROTECT should be disabled and you can flash as usual.</p> <p>-Priyanka</p><div style="clear:both;"></div>