diff --git a/.github/scripts/install_tools.rb b/.github/scripts/install_tools.rb
index 39af871..6918ba2 100644
--- a/.github/scripts/install_tools.rb
+++ b/.github/scripts/install_tools.rb
@@ -671,11 +671,7 @@ def test_ukiryu_discovery(tool_name)
       return [true, "Ukiryu CLI not available - skipped"]
     end
 
-    # Skip ukiryu schema validation for now
-    # The schema expects 'profiles' but register uses 'execution_profiles'
-    # This is a known issue - validation will be re-enabled once schema is fixed
-    return [true, "Ukiryu validation skipped - schema issue pending fix"]
-
+    # Schema has been fixed to use 'execution_profiles' - validation is now enabled
     # Run ukiryu validate command for this tool
     # Look for the tool VERSION file (not index.yaml)
     # Structure: tools/{tool}/{implementation}/{version}.yaml
@@ -691,20 +687,6 @@ def test_ukiryu_discovery(tool_name)
       end
     end
 
-    # Fallback: try old location (tools/{tool}/{version}.yaml)
-    if version_files.empty?
-      legacy_files = Dir.glob(File.join(@register_path, "tools", tool_name, "*.yaml"))
-      version_files = legacy_files.reject { |f| File.basename(f) == 'index.yaml' }
-    end
-
-    if version_files.empty?
-      # Try packages directory instead
-      pkg_file = File.join(@register_path, "packages", "#{tool_name}.yaml")
-      if File.exist?(pkg_file)
-        version_files = [pkg_file]
-      end
-    end
-
     if version_files.empty?
       return [false, "Tool definition file not found"]
     end
diff --git a/.github/workflows/validate-profiles.yml b/.github/workflows/validate-profiles.yml
index 29c11ed..464a968 100644
--- a/.github/workflows/validate-profiles.yml
+++ b/.github/workflows/validate-profiles.yml
@@ -11,6 +11,7 @@ on:
     paths:
       - 'tools/**/*.yaml'
       - '.github/workflows/*.yml'
+      - '.github/scripts/*.rb'
   push:
     branches: [v1]
     tags:
diff --git a/packages/pngquant.yaml b/packages/pngquant.yaml
index 6ccea39..f638cbe 100644
--- a/packages/pngquant.yaml
+++ b/packages/pngquant.yaml
@@ -35,6 +35,6 @@ packages:
     provides: *1
     smoke_test: pngquant --version
   winget:
-  - name: pngquant
+  - name: Kornelski.pngquant
     provides: *1
     smoke_test: pngquant --version