Add rerun if ServiceUI exists and conditions ok

Winget-AutoUpdate-Install.ps1

@@ -328,13 +328,7 @@ function Install-WingetAutoUpdate {
         Get-ScheduledTask -TaskName "Winget-AutoUpdate-UserContext" -ErrorAction SilentlyContinue | Unregister-ScheduledTask -Confirm:$False
 
         # Settings for the scheduled task for Updates (System)
-        $ServiceUI = Test-Path "$PSScriptRoot\Winget-AutoUpdate\ServiceUI.exe"
-        if ($ServiceUI) {
-            $taskAction = New-ScheduledTaskAction -Execute "$WingetUpdatePath\ServiceUI.exe" -Argument "-process:explorer.exe %windir%\System32\wscript.exe \`"$WingetUpdatePath\Invisible.vbs \`" \`"powershell.exe -NoProfile -ExecutionPolicy Bypass -File \`"\`"$WingetUpdatePath\winget-upgrade.ps1\`"\`"\`""
-        }
-        else {
         $taskAction = New-ScheduledTaskAction -Execute "powershell.exe" -Argument "-NoProfile -ExecutionPolicy Bypass -File `"$($WingetUpdatePath)\winget-upgrade.ps1`""
-        }
         $taskTriggers = @()
         if ($UpdatesAtLogon) {
             $tasktriggers += New-ScheduledTaskTrigger -AtLogOn

Winget-AutoUpdate/Winget-Upgrade.ps1

@@ -17,7 +17,31 @@ $Script:IsSystem = [System.Security.Principal.WindowsIdentity]::GetCurrent().IsS
 
 #Log initialisation
 $LogFile = "$WorkingDir\logs\updates.log"
-Write-ToLog -LogMsg "CHECK FOR APP UPDATES" -IsHeader
+
+if ($IsSystem) {
+    #Check if any connected user when running as system
+    $explorerprocesses = @(Get-WmiObject -Query "Select * FROM Win32_Process WHERE Name='explorer.exe'" -ErrorAction SilentlyContinue)
+    #Check if ServiceUI exists
+    $ServiceUI = Test-Path "$WorkingDir\ServiceUI.exe"
+    If ($explorerprocesses.Count -gt 0 -and $ServiceUI) {
+        #User connected, Check for current session ID (O = system)
+        $SessionID = [System.Diagnostics.Process]::GetCurrentProcess().SessionId
+        if ($SessionID -eq 0) {
+            #Rerun WAU in system context with ServiceUI
+            & $WorkingDir\ServiceUI.exe -process:explorer.exe $env:windir\System32\wscript.exe \`"$WorkingDir\Invisible.vbs\`" \`"powershell.exe -NoProfile -ExecutionPolicy Bypass -File \`"\`"$WorkingDir\winget-upgrade.ps1\`"\`"\`"
+            Exit 0
+        }
+        else {
+            Write-ToLog -LogMsg "CHECK FOR APP UPDATES (System context with ServiceUI)" -IsHeader
+        }
+    }
+    else {
+        Write-ToLog -LogMsg "CHECK FOR APP UPDATES (System context)" -IsHeader
+    }
+}
+else {
+    Write-ToLog -LogMsg "CHECK FOR APP UPDATES (User context)" -IsHeader
+}
 
 #Get settings and Domain/Local Policies (GPO) if activated.
 $Script:WAUConfig = Get-WAUConfig
@@ -27,7 +51,6 @@ if ($($WAUPolicies.WAU_ActivateGPOManagement -eq 1)) {
 
 #Log running context and more...
 if ($IsSystem) {
-    Write-ToLog "Running in System context"
 
     # Maximum number of log files to keep. Default is 3. Setting MaxLogFiles to 0 will keep all log files.
     $MaxLogFiles = $WAUConfig.WAU_MaxLogFiles
@@ -61,9 +84,6 @@ if ($IsSystem) {
     $SettingsPath = "$Env:windir\system32\config\systemprofile\AppData\Local\Microsoft\WinGet\Settings\defaultState\settings.json"
     Add-ScopeMachine $SettingsPath
 }
-else {
-    Write-ToLog "Running in User context"
-}
 
 #Get Notif Locale function
 $LocaleDisplayName = Get-NotifLocale

Winget-AutoUpdate/functions/Invoke-PostUpdateActions.ps1

@@ -197,18 +197,6 @@ function Invoke-PostUpdateActions {
         Write-ToLog "-> Policies task created."
     }
 
-    #Set WAU scheduled task with ServiceUI
-    $WAUTask = Get-ScheduledTask -TaskName 'Winget-AutoUpdate' -ErrorAction SilentlyContinue
-    $ServiceUI = Test-Path "$($WorkingDir)\ServiceUI.exe"
-    if ($ServiceUI) {
-        $taskAction = New-ScheduledTaskAction -Execute "$($WorkingDir)\ServiceUI.exe" -Argument "-process:explorer.exe %windir%\System32\wscript.exe \`"$($WorkingDir)\Invisible.vbs \`" \`"powershell.exe -NoProfile -ExecutionPolicy Bypass -File \`"\`"$WingetUpdatePath\winget-upgrade.ps1\`"\`"\`""
-        Write-ToLog "-> ServiceUI enabled."
-    }
-    else {
-        $taskAction = New-ScheduledTaskAction -Execute "powershell.exe" -Argument "-NoProfile -ExecutionPolicy Bypass -File `"$($WorkingDir)\winget-upgrade.ps1`""
-    }
-    Set-ScheduledTask -TaskPath $WAUTask.TaskPath -TaskName $WAUTask.TaskName -Action $taskAction | Out-Null
-
 
     ### End of post update actions ###
 

Winget-AutoUpdate/functions/Write-ToLog.ps1

@@ -26,7 +26,7 @@ function Write-ToLog {
 
     #If header requested
     if ($IsHeader) {
-        $Log = " `n##################################################`n#     $LogMsg - $(Get-Date -Format (Get-culture).DateTimeFormat.ShortDatePattern)`n##################################################"
+        $Log = " `n########################################################`n#     $LogMsg - $(Get-Date -Format (Get-culture).DateTimeFormat.ShortDatePattern)`n########################################################"
     }
     else {
         $Log = "$(Get-Date -UFormat "%T") - $LogMsg"