diff --git a/wfassoc/src/highlevel.rs b/wfassoc/src/highlevel.rs
index a750dda..befa42a 100644
--- a/wfassoc/src/highlevel.rs
+++ b/wfassoc/src/highlevel.rs
@@ -687,18 +687,25 @@ impl Program {
                 // Now try fetch its diaplay name in modern way first.
                 // If there is no modern way, use legacy way instead.
                 // If there is still no display name, use ProgId self instead as display name.
-                let name = match progid_key.get_friendly_type_name(view)? {
-                    Some(name) => name.extract()?,
-                    None => match progid_key.get_default(view)? {
-                        Some(name) => name.extract()?,
-                        None => progid_key.inner().to_string(),
-                    },
-                };
+                let mut name: Option<String> = None;
+                if let None = name {
+                    name = progid_key
+                        .get_friendly_type_name(view)?
+                        .map(|name| name.extract().ok())
+                        .flatten();
+                }
+                if let None = name {
+                    name = progid_key
+                        .get_default(view)?
+                        .map(|name| name.extract().ok())
+                        .flatten();
+                }
+                let name = name.unwrap_or(progid_key.inner().to_string());
                 // Now try to fetch icon.
                 let icon = progid_key
                     .get_default_icon(view)?
-                    .map(|ico| ico.extract(concept::IconSizeKind::Small))
-                    .transpose()?;
+                    .map(|ico| ico.extract(concept::IconSizeKind::Small).ok())
+                    .flatten();
 
                 // Okey, return it.
                 Ok(Some(ProgramExtStatus::new(name, icon)))
diff --git a/wfassoc/src/lowlevel.rs b/wfassoc/src/lowlevel.rs
index 2385353..41d6728 100644
--- a/wfassoc/src/lowlevel.rs
+++ b/wfassoc/src/lowlevel.rs
@@ -160,10 +160,7 @@ pub enum IconResVariant {
 impl IconResVariant {
     pub fn extract(&self, kind: concept::IconSizeKind) -> Result<concept::IconRc> {
         let rc = match self {
-            IconResVariant::Plain(v) => {
-                eprintln!("plain: {v}");
-                concept::IconRc::with_ico_file(v.as_str(), kind)?
-            },
+            IconResVariant::Plain(v) => concept::IconRc::with_ico_file(v.as_str(), kind)?,
             IconResVariant::RefStr(v) => {
                 // Try expand path part if possible
                 let path_part = strip_quote(v.get_path());
@@ -171,13 +168,11 @@ impl IconResVariant {
                     Ok(expand_string) => expand_string.expand()?,
                     Err(_) => path_part.to_string(),
                 };
-                eprintln!("refstr: {path_part}");
                 // Get index part.
                 let index_part = v.get_index();
-                eprintln!("refstr: {index_part}");
                 // Resolve icon resource
                 concept::IconRc::new(&path_part, index_part, kind)?
-            },
+            }
         };
         Ok(rc)
     }
@@ -238,10 +233,8 @@ impl StrResVariant {
                     Ok(expand_string) => expand_string.expand()?,
                     Err(_) => path_part.to_string(),
                 };
-                eprintln!("{path_part}");
                 // Get index part
                 let index_part = v.get_index();
-                eprintln!("{index_part}");
                 // Resolve string resource
                 let rc = concept::StrRc::new(&path_part, index_part)?;
                 rc.into_string()
@@ -419,7 +412,7 @@ fn check_privilege(territory: OpenKeyTerritory, purpose: OpenKeyPurpose) -> Resu
 }
 
 /// Remove quote pair if possible.
-/// 
+///
 /// In some cases, the path part of [concept::IconRefStr] or [concept::StrRefStr] is quoted by quote.
 /// This can no be recognized by Win32 functions.
 /// So in this case, we should remove this quote pair.