Maybe som optimizations/millisecs...

Winget-AutoUpdate/Winget-Upgrade.ps1

@@ -51,7 +51,8 @@ if (Test-Network) {
         Write-Log "WAU current version: $WAUCurrentVersion"
         #Check if WAU update feature is enabled or not
         $WAUDisableAutoUpdate = $WAUConfig.WAU_DisableAutoUpdate
-        #If yes then check WAU update
+        #If yes then check WAU update if System
+        if ($IsSystem) {
             if ($WAUDisableAutoUpdate -eq 1) {
                 Write-Log "WAU AutoUpdate is Disabled." "Grey"
             }
@@ -63,17 +64,13 @@ if (Test-Network) {
                 if ([version]$WAUAvailableVersion -gt [version]$WAUCurrentVersion) {
                     #If new version is available, update it
                     Write-Log "WAU Available version: $WAUAvailableVersion" "Yellow"
-                if ($IsSystem) {
                     Update-WAU
                 }
-                else {
-                    Write-Log "WAU Needs to run as system to update" "Yellow"
-                }
-            }
                 else {
                     Write-Log "WAU is up to date." "Green"
                 }
             }
+        }
 
         if ($IsSystem) {
             #Get External ListPath
@@ -169,7 +166,6 @@ if (Test-Network) {
             Write-Log "No new update." "Green"
         }
     }
-}
     
     #Run WAU in user context if currently as system
     if ($IsSystem) {
@@ -188,6 +184,7 @@ if ($IsSystem) {
             Write-Log "User context execution not installed"
         }
     }
+}
 
 #End
 Write-Log "End of process!" "Cyan"