diff --git a/src/Microsoft.PowerShell.Commands.Utility/commands/utility/ShowMarkdownCommand.cs b/src/Microsoft.PowerShell.Commands.Utility/commands/utility/ShowMarkdownCommand.cs
index d2d460169..34a58a96c 100644
--- a/src/Microsoft.PowerShell.Commands.Utility/commands/utility/ShowMarkdownCommand.cs
+++ b/src/Microsoft.PowerShell.Commands.Utility/commands/utility/ShowMarkdownCommand.cs
@@ -8,6 +8,7 @@ using System.Collections.ObjectModel;
 using System.Diagnostics;
 using System.IO;
 using System.Management.Automation;
+using System.Management.Automation.Internal;
 using Microsoft.PowerShell.MarkdownRender;
 
 namespace Microsoft.PowerShell.Commands
@@ -61,8 +62,9 @@ namespace Microsoft.PowerShell.Commands
 
             if (markdownInfo == null)
             {
+                string errorMessage = StringUtil.Format(ConvertMarkdownStrings.InvalidInputObjectType, inpObj.GetType());
                 var errorRecord = new ErrorRecord(
-                            new ArgumentException(),
+                            new ArgumentException(errorMessage),
                             "InvalidInputObject",
                             ErrorCategory.InvalidArgument,
                             InputObject);
@@ -90,21 +92,15 @@ namespace Microsoft.PowerShell.Commands
                         }
 
                         ProcessStartInfo startInfo = new ProcessStartInfo();
-
-#if UNIX
-                        startInfo.FileName = Platform.IsLinux ? "xdg-open" : /* macOS */ "open";
-                        startInfo.Arguments = tmpFilePath;
-#else
                         startInfo.FileName = tmpFilePath;
                         startInfo.UseShellExecute = true;
-#endif
-
                         Process.Start(startInfo);
                     }
                     else
                     {
+                        string errorMessage = StringUtil.Format(ConvertMarkdownStrings.MarkdownInfoInvalid, "Html");
                         var errorRecord = new ErrorRecord(
-                            new InvalidDataException(),
+                            new InvalidDataException(errorMessage),
                             "HtmlIsNullOrEmpty",
                             ErrorCategory.InvalidData,
                             html);
@@ -131,8 +127,9 @@ namespace Microsoft.PowerShell.Commands
                     }
                     else
                     {
+                        string errorMessage = StringUtil.Format(ConvertMarkdownStrings.MarkdownInfoInvalid, "VT100EncodedString");
                         var errorRecord = new ErrorRecord(
-                            new InvalidDataException(),
+                            new InvalidDataException(errorMessage),
                             "VT100EncodedStringIsNullOrEmpty",
                             ErrorCategory.InvalidData,
                             vt100String);
diff --git a/src/Microsoft.PowerShell.Commands.Utility/resources/ConvertMarkdownStrings.resx b/src/Microsoft.PowerShell.Commands.Utility/resources/ConvertMarkdownStrings.resx
index f9aacc5d6..3b17b564f 100644
--- a/src/Microsoft.PowerShell.Commands.Utility/resources/ConvertMarkdownStrings.resx
+++ b/src/Microsoft.PowerShell.Commands.Utility/resources/ConvertMarkdownStrings.resx
@@ -126,4 +126,7 @@
   <data name="FileSystemPathsOnly" xml:space="preserve">
     <value>Only FileSystem Provider paths are supported. The given path '{0}' is not supported.</value>
   </data>
+  <data name="MarkdownInfoInvalid" xml:space="preserve">
+    <value>The property {0} of the given object is null or empty.</value>
+  </data>
 </root>
diff --git a/test/powershell/Modules/Microsoft.PowerShell.Utility/MarkdownCmdlets.Tests.ps1 b/test/powershell/Modules/Microsoft.PowerShell.Utility/MarkdownCmdlets.Tests.ps1
index 551eb5bf9..8764b340d 100644
--- a/test/powershell/Modules/Microsoft.PowerShell.Utility/MarkdownCmdlets.Tests.ps1
+++ b/test/powershell/Modules/Microsoft.PowerShell.Utility/MarkdownCmdlets.Tests.ps1
@@ -316,5 +316,20 @@ bool function()`n{`n}
             $result = $mdText | ConvertFrom-Markdown | Show-Markdown -UseBrowser
             $result | Should -BeExactly $expectedString
         }
+
+        It "Gets an error if the input object is missing the <propertyname> property." -TestCases @(@{propertyname = 'Html'}, @{propertyname = 'VT100EncodedString'}) {
+            param($propertyname)
+
+            $markdownInfo = [Microsoft.PowerShell.MarkdownRender.MarkdownInfo]::new()
+
+            if($propertyname -eq 'VT100EncodedString')
+            {
+                { Show-Markdown -InputObject $markdownInfo -ErrorAction Stop } | Should -Throw -ErrorId 'VT100EncodedStringIsNullOrEmpty,Microsoft.PowerShell.Commands.ShowMarkdownCommand'
+            }
+            else
+            {
+                { Show-Markdown -UseBrowser -InputObject $markdownInfo -ErrorAction Stop } | Should -Throw -ErrorId 'HtmlIsNullOrEmpty,Microsoft.PowerShell.Commands.ShowMarkdownCommand'
+            }
+        }
     }
 }