title: PGP/GPG unable to decrypt
body: <p>I have an issue decrypting one file.
  I am receiving the file via email. I am able to decrypt it on Windows using PGPtools with no issues.
  When I am trying to decrypt the file on Linux I am getting the following error:</p>
  
  <blockquote>
    <p>gpg: no valid OpenPGP data found.</p>
    
    <p>gpg: decrypt_message failed: Unknown system error</p>
  </blockquote>
  
  <p>The command I am running on Linux is</p>
  
  <pre><code>/usr/bin/gpg --batch --passphrase myphrase -o '/myfolder/file.csv' -d '/myfolder/file.csv.exe'
  </code></pre>
  
  <p>This command is part of a Perl module that I wrote for other projects. It is working with no issues for everything else. This is the only file I am having issues with.</p>
  
  <p>Please advise.</p>