diff --git a/dissect/target/plugins/os/windows/wua_history.py b/dissect/target/plugins/os/windows/wua_history.py
index 9b869f65a6..8d2f320901 100644
--- a/dissect/target/plugins/os/windows/wua_history.py
+++ b/dissect/target/plugins/os/windows/wua_history.py
@@ -1063,9 +1063,11 @@ def _format_record_value(self, mapped_column_name: str, value: str) -> dict[str,
             format_data[mapped_column_name] = value
             format_data["classification_mapped"] = CLASSIFICATION_MAP.get(value, "Unknown")
         elif mapped_column_name == "title":
+            if isinstance(value,(bytes, bytearray)):
+                value = bytes(value).decode(errors="ignore")
             format_data[mapped_column_name] = value
             if kb := re.search(r"(KB.[0-9]*)", value):
-                format_data["kb"] = kb.group()
+                format_data["kb"] = kb.group(1)        
         elif mapped_column_name == "status_id":
             format_data[mapped_column_name] = value
             format_data["status_mapped"] = STATUS_MAP.get(value, "Unknown")
@@ -1077,3 +1079,4 @@ def _format_record_value(self, mapped_column_name: str, value: str) -> dict[str,
             format_data[mapped_column_name] = value
 
         return format_data
+