title: anaconda navigator the following packages will be modified solving package specifications Issue
body: <p>I have a problem about install package via Anaconda Navigator.
  I tried to install geopandas but A lot of time has passed and the process could not be done.
  I'm stuck in there. 
  Here is the screenshot as shown below.</p>
  
  <p><a href="https://i.stack.imgur.com/ohFhv.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ohFhv.png" alt="enter image description here"></a></p>
  
  <p>How can I fix it.</p>