title: ERROR conda.core.link:_execute(699): An error occurred while installing package 'defaults::qt-5.9.7-vc14h73c81de_0'. Rolling back transaction: done
body: <p>I wanted to install the matplotlib package using conda.</p>
  <p>The actual result was the following:</p>
  <pre><code>ERROR conda.core.link:_execute(699): An error occurred while installing package 'defaults::qt-5.9.7-vc14h73c81de_0'.
  </code></pre>
  <p>I expected successful installation of matplotlib, so that I could run it on my jupyter notebook.</p>
  <p>I used the following command for installing the package:</p>
  <pre><code>conda install matplotlib
  </code></pre>
  <p>here is the error that I got:</p>
  <pre><code>Preparing transaction: done
  Verifying transaction: done
  Executing transaction: done
  ERROR conda.core.link:_execute(699): An error occurred while installing package 'defaults::qt-5.9.7-vc14h73c81de_0'.
  Rolling back transaction: done
  
  LinkError: post-link script failed for package defaults::qt-5.9.7-vc14h73c81de_0
  location of failed script: C:\Users\Asus\Desktop\env\Scripts\.qt-post-link.bat
  ==&gt; script messages &lt;==
  &lt;None&gt;
  ==&gt; script output &lt;==
  stdout:         1 file(s) copied.
  
  stderr: 'chcp' is not recognized as an internal or external command,
  operable program or batch file.
  'chcp' is not recognized as an internal or external command,
  operable program or batch file.
  'chcp' is not recognized as an internal or external command,
  operable program or batch file.
  
  return code: 1
  
  ()
  </code></pre>
  <p>Please help me with this, as I'm able to install other packages like pandas, numpy, etc, but its happening only in the case of matplotlib package.
  Thank you.</p>