diff --git a/apps/desktop/src-tauri/src/agent.rs b/apps/desktop/src-tauri/src/agent.rs
index 0ae55bb..c469b58 100644
--- a/apps/desktop/src-tauri/src/agent.rs
+++ b/apps/desktop/src-tauri/src/agent.rs
@@ -303,9 +303,15 @@ fn build_inventory_metadata(system: &System) -> serde_json::Value {
             };
             if needs_os_info {
                 let mut osmap = serde_json::Map::new();
-                if let Some(name) = System::name() { osmap.insert("ProductName".into(), json!(name)); }
-                if let Some(ver) = System::os_version() { osmap.insert("Version".into(), json!(ver)); }
-                if let Some(build) = System::kernel_version() { osmap.insert("BuildNumber".into(), json!(build)); }
+                if let Some(name) = System::name() {
+                    osmap.insert("ProductName".into(), json!(name));
+                }
+                if let Some(ver) = System::os_version() {
+                    osmap.insert("Version".into(), json!(ver));
+                }
+                if let Some(build) = System::kernel_version() {
+                    osmap.insert("BuildNumber".into(), json!(build));
+                }
                 win.insert("osInfo".into(), serde_json::Value::Object(osmap));
             }
         }
@@ -324,10 +330,7 @@ fn build_inventory_metadata(system: &System) -> serde_json::Value {
 
     // Normalização de software/serviços no topo do inventário
     if let Some(obj) = inventory.as_object_mut() {
-        let extended_snapshot = obj
-            .get("extended")
-            .and_then(|v| v.as_object())
-            .cloned();
+        let extended_snapshot = obj.get("extended").and_then(|v| v.as_object()).cloned();
         // Merge software
         let mut software: Vec<serde_json::Value> = Vec::new();
         if let Some(existing) = obj.get("software").and_then(|v| v.as_array()) {
@@ -676,6 +679,28 @@ fn collect_windows_extended() -> serde_json::Value {
     use std::os::windows::process::CommandExt;
     use std::process::Command;
     const CREATE_NO_WINDOW: u32 = 0x08000000;
+
+    fn parse_powershell_json(bytes: &[u8]) -> Option<serde_json::Value> {
+        if bytes.is_empty() {
+            return None;
+        }
+        if bytes.starts_with(&[0xFF, 0xFE]) {
+            // PowerShell usa UTF-16LE por padrão no Windows; converter para UTF-8.
+            let data = &bytes[2..];
+            if data.len() % 2 != 0 {
+                return None;
+            }
+            let utf16: Vec<u16> = data
+                .chunks_exact(2)
+                .map(|chunk| u16::from_le_bytes([chunk[0], chunk[1]]))
+                .collect();
+            let text = String::from_utf16(&utf16).ok()?;
+            serde_json::from_str(&text).ok()
+        } else {
+            serde_json::from_slice(bytes).ok()
+        }
+    }
+
     fn ps(cmd: &str) -> Option<serde_json::Value> {
         let ps_cmd = format!(
             "$ErrorActionPreference='SilentlyContinue'; {} | ConvertTo-Json -Depth 4 -Compress",
@@ -694,7 +719,7 @@ fn collect_windows_extended() -> serde_json::Value {
         if out.stdout.is_empty() {
             return None;
         }
-        serde_json::from_slice::<serde_json::Value>(&out.stdout).ok()
+        parse_powershell_json(&out.stdout)
     }
 
     let software = ps(r#"@(Get-ItemProperty 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\*'; Get-ItemProperty 'HKLM:\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*') | Where-Object { $_.DisplayName } | Select-Object DisplayName, DisplayVersion, Publisher"#)
@@ -1067,9 +1092,7 @@ mod windows_tests {
         let os_info_obj = expect_object(os_info, "windows.osInfo");
 
         let is_activated = os_info_obj.get("IsActivated").unwrap_or_else(|| {
-            panic!(
-                "campo IsActivated ausente em windows.osInfo: {os_info_obj:?}"
-            )
+            panic!("campo IsActivated ausente em windows.osInfo: {os_info_obj:?}")
         });
         assert!(
             is_activated.as_bool().is_some(),
@@ -1077,9 +1100,7 @@ mod windows_tests {
         );
 
         let license_status = os_info_obj.get("LicenseStatus").unwrap_or_else(|| {
-            panic!(
-                "campo LicenseStatus ausente em windows.osInfo: {os_info_obj:?}"
-            )
+            panic!("campo LicenseStatus ausente em windows.osInfo: {os_info_obj:?}")
         });
         assert!(
             license_status.as_i64().is_some(),