https://devzone.nordicsemi.com/f/nordic-q-a/8946/unable-to-find-arm-librariesHello. I installed all of relevant software tools and compiled blinky_example with nRF51822 Dev B/D. Unluckily, build result is like below. ._build\blinky_arm.axf: Warning: L6373W: libattrs.map file not found in System Library directory C:\Programen-USTelligent Community 13Fri, 28 Aug 2015 08:42:10 GMThttps://devzone.nordicsemi.com/thread/32933?ContentTypeID=1Fri, 28 Aug 2015 08:42:10 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2d97c3b1-c946-49bb-b722-f05eb22a70d9Susheel Nuguru<p>probably something wrong with your keil installation. Try to reinstall it.</p><div style="clear:both;"></div>