diff --git a/src/AppInstallerCLICore/Argument.cpp b/src/AppInstallerCLICore/Argument.cpp
index 28fa6150fc..a4cfadf4a7 100644
--- a/src/AppInstallerCLICore/Argument.cpp
+++ b/src/AppInstallerCLICore/Argument.cpp
@@ -2,6 +2,7 @@
 // Licensed under the MIT License.
 #include "pch.h"
 #include "Argument.h"
+#include "Command.h"
 #include "Resources.h"
 #include <winget/UserSettings.h>
 
@@ -108,6 +109,19 @@ namespace AppInstaller::CLI
         args.push_back(ForType(Args::Type::VerboseLogs));
     }
 
+    void Argument::ValidatePackageSelectionArgumentSupplied(const Execution::Args& args)
+    {
+        for (Args::Type type : { Args::Type::Query, Args::Type::Manifest, Args::Type::Id, Args::Type::Name, Args::Type::Moniker, Args::Type::Tag, Args::Type::Command })
+        {
+            if (args.Contains(type))
+            {
+                return;
+            }
+        }
+
+        throw CommandException(Resource::String::NoPackageSelectionArgumentProvided);
+    }
+
     Argument::Visibility Argument::GetVisibility() const
     {
         if (!ExperimentalFeature::IsEnabled(m_feature))
diff --git a/src/AppInstallerCLICore/Argument.h b/src/AppInstallerCLICore/Argument.h
index b23c4cc5ef..77b6f996b0 100644
--- a/src/AppInstallerCLICore/Argument.h
+++ b/src/AppInstallerCLICore/Argument.h
@@ -81,6 +81,11 @@ namespace AppInstaller::CLI
         // Gets the common arguments for all commands.
         static void GetCommon(std::vector<Argument>& args);
 
+        // Static argument validation helpers; throw CommandException when validation fails.
+
+        // Requires that some form of package selection argument is present
+        static void ValidatePackageSelectionArgumentSupplied(const Execution::Args& args);
+
         // Arguments are not localized at this time.
         Utility::LocIndView Name() const { return Utility::LocIndView{ m_name }; }
         char Alias() const { return m_alias; }
diff --git a/src/AppInstallerCLICore/Commands/InstallCommand.cpp b/src/AppInstallerCLICore/Commands/InstallCommand.cpp
index 9ae6d2b338..9f198a216f 100644
--- a/src/AppInstallerCLICore/Commands/InstallCommand.cpp
+++ b/src/AppInstallerCLICore/Commands/InstallCommand.cpp
@@ -93,6 +93,8 @@ namespace AppInstaller::CLI
 
     void InstallCommand::ValidateArgumentsInternal(Args& execArgs) const
     {
+        Argument::ValidatePackageSelectionArgumentSupplied(execArgs);
+
         if (execArgs.Contains(Args::Type::Manifest) &&
             (execArgs.Contains(Args::Type::Query) ||
              execArgs.Contains(Args::Type::Id) ||
@@ -115,7 +117,7 @@ namespace AppInstaller::CLI
         }
         if (execArgs.Contains(Args::Type::InstallArchitecture))
         {
-	        Utility::Architecture selectedArch = Utility::ConvertToArchitectureEnum(std::string(execArgs.GetArg(Args::Type::InstallArchitecture)));
+            Utility::Architecture selectedArch = Utility::ConvertToArchitectureEnum(std::string(execArgs.GetArg(Args::Type::InstallArchitecture)));
             if ((selectedArch == Utility::Architecture::Unknown) || (Utility::IsApplicableArchitecture(selectedArch) == Utility::InapplicableArchitecture))
             {
                 std::vector<Utility::LocIndString> applicableArchitectures;
diff --git a/src/AppInstallerCLICore/Commands/SearchCommand.cpp b/src/AppInstallerCLICore/Commands/SearchCommand.cpp
index e53e513dab..b027d7d2de 100644
--- a/src/AppInstallerCLICore/Commands/SearchCommand.cpp
+++ b/src/AppInstallerCLICore/Commands/SearchCommand.cpp
@@ -66,6 +66,11 @@ namespace AppInstaller::CLI
         return "https://aka.ms/winget-command-search";
     }
 
+    void SearchCommand::ValidateArgumentsInternal(Args& execArgs) const
+    {
+        Argument::ValidatePackageSelectionArgumentSupplied(execArgs);
+    }
+
     void SearchCommand::ExecuteInternal(Context& context) const
     {
         context.SetFlags(Execution::ContextFlag::TreatSourceFailuresAsWarning);
diff --git a/src/AppInstallerCLICore/Commands/SearchCommand.h b/src/AppInstallerCLICore/Commands/SearchCommand.h
index be91775cb9..e9cbdc90e2 100644
--- a/src/AppInstallerCLICore/Commands/SearchCommand.h
+++ b/src/AppInstallerCLICore/Commands/SearchCommand.h
@@ -19,6 +19,7 @@ namespace AppInstaller::CLI
         std::string HelpLink() const override;
 
     protected:
+        void ValidateArgumentsInternal(Execution::Args& execArgs) const override;
         void ExecuteInternal(Execution::Context& context) const override;
     };
 }
diff --git a/src/AppInstallerCLICore/Commands/ShowCommand.cpp b/src/AppInstallerCLICore/Commands/ShowCommand.cpp
index cd0eaf8fce..d993c16980 100644
--- a/src/AppInstallerCLICore/Commands/ShowCommand.cpp
+++ b/src/AppInstallerCLICore/Commands/ShowCommand.cpp
@@ -7,6 +7,8 @@
 #include "Workflows/WorkflowBase.h"
 #include "Resources.h"
 
+using namespace AppInstaller::CLI::Execution;
+
 namespace AppInstaller::CLI
 {
     std::vector<Argument> ShowCommand::GetArguments() const
@@ -49,6 +51,24 @@ namespace AppInstaller::CLI
         return "https://aka.ms/winget-command-show";
     }
 
+    void ShowCommand::ValidateArgumentsInternal(Args& execArgs) const
+    {
+        Argument::ValidatePackageSelectionArgumentSupplied(execArgs);
+
+        if (execArgs.Contains(Args::Type::Manifest) &&
+            (execArgs.Contains(Args::Type::Query) ||
+                execArgs.Contains(Args::Type::Id) ||
+                execArgs.Contains(Args::Type::Name) ||
+                execArgs.Contains(Args::Type::Moniker) ||
+                execArgs.Contains(Args::Type::Version) ||
+                execArgs.Contains(Args::Type::Channel) ||
+                execArgs.Contains(Args::Type::Source) ||
+                execArgs.Contains(Args::Type::Exact)))
+        {
+            throw CommandException(Resource::String::BothManifestAndSearchQueryProvided);
+        }
+    }
+
     void ShowCommand::ExecuteInternal(Execution::Context& context) const
     {
         context.SetFlags(Execution::ContextFlag::TreatSourceFailuresAsWarning);
diff --git a/src/AppInstallerCLICore/Commands/ShowCommand.h b/src/AppInstallerCLICore/Commands/ShowCommand.h
index eac5ed59d8..f0b914890f 100644
--- a/src/AppInstallerCLICore/Commands/ShowCommand.h
+++ b/src/AppInstallerCLICore/Commands/ShowCommand.h
@@ -19,6 +19,7 @@ namespace AppInstaller::CLI
         std::string HelpLink() const override;
 
     protected:
+        void ValidateArgumentsInternal(Execution::Args& execArgs) const override;
         void ExecuteInternal(AppInstaller::CLI::Execution::Context& context) const override;
     };
 }
diff --git a/src/AppInstallerCLICore/Commands/UninstallCommand.cpp b/src/AppInstallerCLICore/Commands/UninstallCommand.cpp
index 1f6b3264f6..7ba9907a88 100644
--- a/src/AppInstallerCLICore/Commands/UninstallCommand.cpp
+++ b/src/AppInstallerCLICore/Commands/UninstallCommand.cpp
@@ -83,6 +83,8 @@ namespace AppInstaller::CLI
 
     void UninstallCommand::ValidateArgumentsInternal(Execution::Args& execArgs) const
     {
+        Argument::ValidatePackageSelectionArgumentSupplied(execArgs);
+
         if (execArgs.Contains(Execution::Args::Type::Manifest) &&
             (execArgs.Contains(Execution::Args::Type::Query) ||
              execArgs.Contains(Execution::Args::Type::Id) ||
diff --git a/src/AppInstallerCLICore/Resources.h b/src/AppInstallerCLICore/Resources.h
index 81f41ea833..2984bd9e7f 100644
--- a/src/AppInstallerCLICore/Resources.h
+++ b/src/AppInstallerCLICore/Resources.h
@@ -187,6 +187,7 @@ namespace AppInstaller::CLI::Resource
         WINGET_DEFINE_RESOURCE_STRINGID(NoExperimentalFeaturesMessage);
         WINGET_DEFINE_RESOURCE_STRINGID(NoInstalledPackageFound);
         WINGET_DEFINE_RESOURCE_STRINGID(NoPackageFound);
+        WINGET_DEFINE_RESOURCE_STRINGID(NoPackageSelectionArgumentProvided);
         WINGET_DEFINE_RESOURCE_STRINGID(NoPackagesFoundInImportFile);
         WINGET_DEFINE_RESOURCE_STRINGID(NoUninstallInfoFound);
         WINGET_DEFINE_RESOURCE_STRINGID(NoVTArgumentDescription);
diff --git a/src/AppInstallerCLIE2ETests/GroupPolicy.cs b/src/AppInstallerCLIE2ETests/GroupPolicy.cs
index 0b56d2f933..9309fc97c8 100644
--- a/src/AppInstallerCLIE2ETests/GroupPolicy.cs
+++ b/src/AppInstallerCLIE2ETests/GroupPolicy.cs
@@ -29,7 +29,7 @@ public void TearDown()
         public void PolicyEnableWinget()
         {
             GroupPolicyHelper.EnableWinget.Disable();
-            var result = TestCommon.RunAICLICommand("search", string.Empty);
+            var result = TestCommon.RunAICLICommand("search", "foo");
             Assert.AreEqual(Constants.ErrorCode.ERROR_BLOCKED_BY_POLICY, result.ExitCode);
         }
 
diff --git a/src/AppInstallerCLIE2ETests/SearchCommand.cs b/src/AppInstallerCLIE2ETests/SearchCommand.cs
index 39831af29f..d342ddf7fe 100644
--- a/src/AppInstallerCLIE2ETests/SearchCommand.cs
+++ b/src/AppInstallerCLIE2ETests/SearchCommand.cs
@@ -11,10 +11,7 @@ public class SearchCommand : BaseCommand
         public void SearchWithoutArgs()
         {
             var result = TestCommon.RunAICLICommand("search", "");
-            Assert.AreEqual(Constants.ErrorCode.S_OK, result.ExitCode);
-            Assert.True(result.StdOut.Contains("AppInstallerTest.TestExeInstaller"));
-            Assert.True(result.StdOut.Contains("AppInstallerTest.TestBurnInstaller"));
-            Assert.True(result.StdOut.Contains("AppInstallerTest.TestExampleInstaller"));
+            Assert.AreEqual(Constants.ErrorCode.ERROR_INVALID_CL_ARGUMENTS, result.ExitCode);
         }
 
         [Test]
diff --git a/src/AppInstallerCLIE2ETests/ShowCommand.cs b/src/AppInstallerCLIE2ETests/ShowCommand.cs
index 0a301a9a1c..69a65e6043 100644
--- a/src/AppInstallerCLIE2ETests/ShowCommand.cs
+++ b/src/AppInstallerCLIE2ETests/ShowCommand.cs
@@ -10,13 +10,8 @@ public class ShowCommand : BaseCommand
         [Test]
         public void ShowWithNoArgs()
         {
-            // Show with no arg lists every app and a warning message
             var result = TestCommon.RunAICLICommand("show", "");
-            Assert.AreEqual(Constants.ErrorCode.ERROR_MULTIPLE_APPLICATIONS_FOUND, result.ExitCode);
-            Assert.True(result.StdOut.Contains("Multiple packages found matching input criteria. Please refine the input."));
-            Assert.True(result.StdOut.Contains("AppInstallerTest.TestExeInstaller"));
-            Assert.True(result.StdOut.Contains("AppInstallerTest.TestBurnInstaller"));
-            Assert.True(result.StdOut.Contains("AppInstallerTest.TestExampleInstaller"));
+            Assert.AreEqual(Constants.ErrorCode.ERROR_INVALID_CL_ARGUMENTS, result.ExitCode);
         }
 
         [Test]
diff --git a/src/AppInstallerCLIPackage/Shared/Strings/en-us/winget.resw b/src/AppInstallerCLIPackage/Shared/Strings/en-us/winget.resw
index 3351e02a73..0168c18eaa 100644
--- a/src/AppInstallerCLIPackage/Shared/Strings/en-us/winget.resw
+++ b/src/AppInstallerCLIPackage/Shared/Strings/en-us/winget.resw
@@ -1287,4 +1287,7 @@ Please specify one of them using the `--source` option to proceed.</value>
   <data name="WaitArgumentDescription" xml:space="preserve">
     <value>Prompts the user to press any key before exiting</value>
   </data>
+  <data name="NoPackageSelectionArgumentProvided" xml:space="preserve">
+    <value>No package selection argument was provided; see the help for details about finding a package.</value>
+  </data>
 </root>
\ No newline at end of file