https://devzone.nordicsemi.com/f/nordic-q-a/71511/problem-installing-nrf-utilHi, I&#39;m trying to install nRF util but I&#39;m getting an error. C:\Develop\Well water\Firmware\PSU rev 3\nRF5SDK1702d674dde\nRF5_SDK_17.0.2_d674dde\external\micro-ecc&gt;nrfutil pkg generate --hw-version 52 Traceback (most recent call last): File &quot;c:\python37en-USTelligent Community 13Thu, 11 Feb 2021 10:34:44 GMThttps://devzone.nordicsemi.com/thread/293933?ContentTypeID=1Thu, 11 Feb 2021 10:34:44 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7dd9f568-2cfa-4f9a-b281-849960a74da5Amanda Hsieh<p>Hi Ian,&nbsp;</p> <p>You could try re-install&nbsp;<a title="Installing nRF Util" href="https://infocenter.nordicsemi.com/topic/ug_nrfutil/UG/nrfutil/nrfutil_installing.html?cp=9_6_1">&nbsp;nRF Util</a>&nbsp; or uninstall&nbsp;<a href="https://www.educative.io/edpresso/how-to-uninstall-python">https://www.educative.io/edpresso/how-to-uninstall-python</a>&nbsp;and install&nbsp;<span>Python 3.7.0.&nbsp;</span></p> <p><span>-Amanda H.</span></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/293846?ContentTypeID=1Wed, 10 Feb 2021 16:49:49 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d0d8cbfe-ac1a-4a5e-b939-885caa775729Yano<p>Just a quick update, I installed Python 3.7.0 on a (clean) PC and then installed NRFUTL and it seem to work.</p> <p>So maybe 3.7.3 doesn&#39;t work, or maybe I need to clean my development PC.</p> <p>So the question is how do I do that?</p><div style="clear:both;"></div>