https://devzone.nordicsemi.com/f/nordic-q-a/407/nrf51-sdk-setup-problemHi, I met this prompt(see attachements) when I install nRF51 SDK. Who can tell me what&#39;s mistake it likes? I have installed microsoft .NET framework 3.5 before in my winXP PC. thanks 未命名4.JPGen-USTelligent Community 13Wed, 04 Sep 2013 14:08:02 GMThttps://devzone.nordicsemi.com/thread/2112?ContentTypeID=1Wed, 04 Sep 2013 14:08:02 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ac6228f9-9c36-4027-8fe5-a60434ea29a9shali lv<p>thank Ole Morten, I have solved this problem, the reason for that is lack of zipfldr.dll in my system. best regard</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/2111?ContentTypeID=1Tue, 03 Sep 2013 12:57:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6b3d4d21-9552-4a82-acbd-1360dacc556eOle Morten<p>Can you please try to run the installer with logging enabled, and upload the log file in your question? Logging is enabled by running the installer from the command-line with the /log parameter.</p><div style="clear:both;"></div>