title: Errors when trying to install deb package
body: <p>I have tried to install the following deb package, but it keeps failing and I'm not sure how to fix.</p>
  
  <p>Below is the output following unsuccessful reattempts.</p>
  
  <h1>Failed installation</h1>
  
  <p><code>sudo dpkg -i particl-desktop-2.3.3-linux-amd64.deb</code></p>
  
  <pre><code>(Reading database ... 650733 files and directories currently installed.)
  Preparing to unpack particl-desktop-2.3.3-linux-amd64.deb ...
  Unpacking particl-desktop (2.3.3) over (2.3.3) ...
  Setting up particl-desktop (2.3.3) ...
  Could not parse file "/usr/share/applications/screensavers/glitchpeg.desktop": Key file contains line ?several times a second.  After a while, finds a new image to corrupt. Written by Jamie Zawinski; 2018.? which is not a key-value pair, group, or comment
  Could not parse file "/usr/share/applications/byobu.desktop": No such file or directory
  Processing triggers for desktop-file-utils (0.23-4) ...
  Processing triggers for mime-support (3.62) ...
  Processing triggers for hicolor-icon-theme (0.17-2) ...
  gtk-update-icon-cache: The generated cache was invalid.
  WARNING: icon cache generation failed
  </code></pre>
  
  <h1>Further information</h1>
  
  <pre><code>uname -a
  Linux debian 4.19.0-9-amd64 #1 SMP Debian 4.19.118-2 (2020-04-29) x86_64 GNU/Linux
  
  sudo cat /var/log/dpkg.log
  2020-05-18 11:36:06 status installed particl-desktop:amd64 2.3.3
  2020-05-18 11:36:06 trigproc desktop-file-utils:amd64 0.23-4 &lt;none&gt;
  2020-05-18 11:36:06 status half-configured desktop-file-utils:amd64 0.23-4
  2020-05-18 11:36:06 status installed desktop-file-utils:amd64 0.23-4
  2020-05-18 11:36:06 trigproc mime-support:all 3.62 &lt;none&gt;
  2020-05-18 11:36:06 status half-configured mime-support:all 3.62
  2020-05-18 11:36:07 status installed mime-support:all 3.62
  2020-05-18 11:36:07 trigproc hicolor-icon-theme:all 0.17-2 &lt;none&gt;
  2020-05-18 11:36:07 status half-configured hicolor-icon-theme:all 0.17-2
  2020-05-18 11:36:07 status installed hicolor-icon-theme:all 0.17-2
  
  sudo dpkg -l | grep particl
  ii  particl-desktop                        2.3.3                                amd64   
  </code></pre>