https://devzone.nordicsemi.com/f/nordic-q-a/98361/cannot-read-properties-of-null-reading-startswith-in-power-profiler-v3-5-4Hi All. I have just updated my nRF Connect for Desktop to v4.0.1 on ubuntu and Power Profiler kept on v3.5.4. Once I got back to the home screen and click on power profiler I get a few seconds of the normal screen and then a blank window when I haveen-USTelligent Community 13Mon, 03 Apr 2023 07:38:34 GMThttps://devzone.nordicsemi.com/thread/418762?ContentTypeID=1Mon, 03 Apr 2023 07:38:34 GMT137ad170-7792-4731-bb38-c0d22fbe4515:71f1b73f-9565-4182-9dfd-976558f744eaPriyanka<p>Hi,</p> <p>We are looking into this crash and will come up with a fix soon. Meanwhile, I would suggest you to&nbsp;install nrf-udev as it should fix the issue for now.</p> <p>Best Regards,</p> <p>Priyanka</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/418714?ContentTypeID=1Sun, 02 Apr 2023 15:49:00 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4019c4e7-a8cc-4eb2-b79d-c9f9845208a9HengLou<p>I got the same error in Ubuntu 22.04.</p> <p># nRFConnect System Report - 2023-04-02T15-33-51.671Z</p> <p>- System: Dell Inc. Precision 5530<br />- BIOS: Dell Inc. 1.25.0<br />- CPU: 1 x Intel Core<span class="emoticon" data-url="https://devzone.nordicsemi.com/cfs-file/__key/system/emoji/2122.svg" title="Tm">&#x2122;</span>&nbsp;i7-8850H 2.6 GHz 12 cores (6 physical)<br />- Memory: 25.9 GB free of 31 GB total<br />- Filesystem: /dev/nvme0n1p2 (ext4) 467.9 GB 6.1% used</p> <p>- OS: Ubuntu (22.04.2 LTS) linux x64</p> <p>- Versions<br /> - kernel: 5.19.0-38-generic<br /> - git: 2.34.1<br /> - node: 16.17.1<br /> - python: <br /> - python3: 3.10.6<br /> - nrf-device-lib-js: 0.6.5<br /> - nrf-device-lib: 0.14.7<br /> - nrfjprog DLL: 10.19.1<br /> - JLink: JLink_V7.86f</p> <p>- Connected devices:</p> <p>Heng</p><div style="clear:both;"></div>