https://devzone.nordicsemi.com/f/nordic-q-a/104228/master-control-panel-v3-10Hi I have a win32 machine that has a Master Control Panel program that suddenly did not work with the PCA10000 I have after updating to Jflash V792g and also the latest nrf command line tool. I think the MCP program updated itself too. It was workingen-USTelligent Community 13Thu, 28 Sep 2023 19:34:54 GMThttps://devzone.nordicsemi.com/thread/448212?ContentTypeID=1Thu, 28 Sep 2023 19:34:54 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e7b0c9c7-5ed4-4154-bded-63e0262e6496JT898<p>Uninstalled MCP and J-link, reverted back MCP 3.6.0.8331 32-bit version, running J-link 5.12k. You will have to run the driver exe at J-link_V512k&gt;USB Driver&gt;x86. Removed dongle and reset PC and then plug it in and it should work now. Also optional but re-installing the PCA10000 firmware within the MCP might be needed, I used MEFW _nRF51822_0.9.0_firmware_115K2.hex, any 0.9.0 should work. </p><div style="clear:both;"></div>