diff --git a/agent.ps1 b/agent.ps1
index 7580e0f..5113894 100644
--- a/agent.ps1
+++ b/agent.ps1
@@ -1,5 +1,5 @@
 param(
-    [string]$ServerUrl = "http://192.168.178.24:8080"
+    [string]$ServerUrl = "http://localhost:8080"
 )
 
 $ComputerName = $env:COMPUTERNAME
@@ -9,7 +9,7 @@ $MacAddress = (Get-NetAdapter | Where-Object { $_.Status -eq 'Up' } | Select-Obj
 $LastSeen = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
 
 # Get installed software from registry (32 and 64 bit)
-$Software = @()
+$SoftwareList = New-Object System.Collections.Generic.List[PSCustomObject]
 $RegistryPaths = @(
     "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\*",
     "HKLM:\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*",
@@ -18,20 +18,15 @@ $RegistryPaths = @(
 
 foreach ($Path in $RegistryPaths) {
     Get-ItemProperty $Path -ErrorAction SilentlyContinue | Where-Object { $_.DisplayName -ne $null } | ForEach-Object {
-        $Software += @{
-            Name = $_.DisplayName
-            Version = $_.DisplayVersion
-        }
+        $SoftwareList.Add([PSCustomObject]@{
+            Name    = [string]$_.DisplayName
+            Version = [string]$_.DisplayVersion
+        })
     }
 }
 
-# Unique list and sort
-$Software = $Software | Sort-Object Name -Unique
-
-# Force Software to be an array even if it has only one element (for PS 5.1 compatibility)
-if ($null -eq $Software) {
-    $Software = @()
-}
+# Unique list and sort (Now works correctly with PSCustomObject)
+$Software = $SoftwareList | Sort-Object Name -Unique
 
 $Inventory = @{
     ComputerName = $ComputerName
@@ -39,28 +34,32 @@ $Inventory = @{
     IPAddress    = $IPAddress
     MacAddress   = $MacAddress
     LastSeen     = $LastSeen
-    Software     = @($Software) # Ensure it's wrapped in an array
+    Software     = $Software
 }
 
-# In PowerShell 5.1, ConvertTo-Json still flattens single-item arrays in some cases.
-# We can use a trick to ensure it stays an array or use PS7's -AsArray if available.
+# Convert to JSON
 $Json = $Inventory | ConvertTo-Json -Depth 10
+
+# FIX FOR POWERSHELL 5.1: Ensure Software is always an array
+# If Software has only 1 item, ConvertTo-Json creates an object {} instead of an array [{}]
 if ($Software.Count -eq 1) {
-    # Manual fix for PS 5.1 flattening single-item arrays in JSON
-    # This is a bit hacky but effective for compatibility:
-    # If Software is a single object { ... }, replace it with [ { ... } ]
-    # We look for "Software": { and ensure it's "Software": [ {
-    $Json = $Json -replace '"Software":\s*\{', '"Software": ['
-    if ($Json -match '"Software":\s*\[') {
-        # If we replaced the start, we need to replace the end of that object
-        # This regex is simplified and assumes Software is at the end or followed by }
-        $Json = $Json -replace '(?ms)("Software":\s*\[.*?)\}(\s*\})', '$1}]$2'
-    }
+    # Find the Software block and wrap it in brackets if it's not already an array
+    # This regex is more robust: it looks for the Software key followed by an object start {
+    $Json = $Json -replace '("Software":\s*)\{', '$1[{'
+    # And then closes the bracket after that object
+    $Json = $Json -replace '(\s+)(\d+|".*?"|null|true|false)\s+\},(\s+"[A-Z])', '$1$2$1}],$3'
+    # If Software was the last element in the JSON
+    $Json = $Json -replace '(\s+)(\d+|".*?"|null|true|false)\s+\}\s+\}', '$1$2$1}] }'
 }
 
 try {
-    Invoke-RestMethod -Uri "$ServerUrl/inventory" -Method Post -Body $Json -ContentType "application/json"
+    $Response = Invoke-RestMethod -Uri "$ServerUrl/inventory" -Method Post -Body $Json -ContentType "application/json"
     Write-Host "Inventory sent successfully to $ServerUrl"
 } catch {
     Write-Error "Failed to send inventory: $_"
+    if ($_.Exception.Response) {
+        $Reader = New-Object System.IO.StreamReader($_.Exception.Response.GetResponseStream())
+        $ErrorBody = $Reader.ReadToEnd()
+        Write-Host "Error Body: $ErrorBody" -ForegroundColor Red
+    }
 }
diff --git a/clients/TP101.json b/clients/TP101.json
new file mode 100644
index 0000000..8ce88a6
--- /dev/null
+++ b/clients/TP101.json
@@ -0,0 +1,13 @@
+{
+  "ComputerName": "TP101",
+  "User": "TP\\user11",
+  "IPAddress": "192.168.178.126",
+  "MacAddress": "BC-24-11-58-62-78",
+  "LastSeen": "2026-05-18 15:38:14",
+  "Software": [
+    {
+      "Name": "Microsoft Edge WebView2-Laufzeit",
+      "Version": "148.0.3967.70"
+    }
+  ]
+}
\ No newline at end of file