feat(telemetry): disable telemetry-related scheduled tasks under Microsoft\Windows (#615)

Co-authored-by: Jeffrey <9938813+Raphire@users.noreply.github.com>

Config/Features.json

@@ -393,9 +393,9 @@
       "ToolTip": "This setting disables telemetry, diagnostic data collection, activity history, app-launch tracking, targeted ads and more. It limits the data that is sent to Microsoft about your device and usage. If you are a Windows Insider, updates may be blocked until optional diagnostic data collection is turned back on.",
       "Category": "Privacy & Suggested Content",
       "RegistryKey": "Disable_Telemetry.reg",
-      "ApplyText": "Disabling telemetry, diagnostic data, activity history, app-launch tracking and targeted ads",
+      "ApplyText": "Disabling telemetry and diagnostic data collection",
       "UndoLabel": "Enable telemetry, tracking & targeted ads",
-      "ApplyUndoText": "Enabling telemetry, diagnostic data, activity history, app-launch tracking and targeted ads",
+      "ApplyUndoText": "Enabling telemetry and diagnostic data collection",
       "RegistryUndoKey": "Enable_Telemetry.reg",
       "MinVersion": null,
       "MaxVersion": null

Scripts/Features/ExecuteChanges.ps1

@@ -26,6 +26,10 @@ function ExecuteParameter {
                 # Also remove the app package for Copilot
                 RemoveApps @('Microsoft.Copilot')
             }
+            'DisableTelemetry' {
+                # Also disable telemetry scheduled tasks
+                Disable-TelemetryScheduledTasks
+            }
         }
         return
     }
@@ -245,9 +249,9 @@ function ExecuteAllChanges {
 
         if ($f -and $f.RegistryUndoKey) {
             ImportRegistryFile "> $applyUndoText" (Resolve-UndoRegFilePath $f.RegistryUndoKey)
-        } else {
-            Invoke-UndoFeatureAction -FeatureId $featureId
         }
+        
+        Invoke-UndoFeatureAction -FeatureId $featureId
     }
 
     if ($script:RegistryImportFailures -gt 0) {
@@ -302,9 +306,9 @@ function Invoke-UndoFeatureAction {
             Write-Host ""
             return
         }
-        default {
-            Write-Host "> No undo action defined for $FeatureId, skipping..." -ForegroundColor Yellow
-            Write-Host ""
+        'DisableTelemetry' {
+            # Also re-enable telemetry scheduled tasks
+            Enable-TelemetryScheduledTasks
             return
         }
     }

Scripts/Features/TelemetryScheduledTasks.ps1

@@ -0,0 +1,128 @@
+# List of known Windows telemetry-related scheduled tasks
+<#
+    .SYNOPSIS
+    Returns the list of known Windows telemetry-related scheduled tasks.
+
+    .DESCRIPTION
+    Returns an array of hashtables, each with a Path and Name key, representing
+    scheduled tasks that collect or report telemetry data on Windows.
+
+    .EXAMPLE
+    Get-TelemetryScheduledTasks
+#>
+function Get-TelemetryScheduledTasks {
+    return @(
+        @{ Path = "\Microsoft\Windows\Application Experience\"; Name = "Microsoft Compatibility Appraiser" },
+        @{ Path = "\Microsoft\Windows\Application Experience\"; Name = "Microsoft Compatibility Appraiser Exp" },
+        @{ Path = "\Microsoft\Windows\Application Experience\"; Name = "ProgramDataUpdater" },
+        @{ Path = "\Microsoft\Windows\Application Experience\"; Name = "StartupAppTask" },
+        @{ Path = "\Microsoft\Windows\Customer Experience Improvement Program\"; Name = "Consolidator" },
+        @{ Path = "\Microsoft\Windows\Customer Experience Improvement Program\"; Name = "UsbCeip" },
+        @{ Path = "\Microsoft\Windows\DiskDiagnostic\"; Name = "Microsoft-Windows-DiskDiagnosticDataCollector" },
+        @{ Path = "\Microsoft\Windows\Autochk\"; Name = "Proxy" }
+    )
+}
+
+<#
+    .SYNOPSIS
+    Disables known Windows telemetry-related scheduled tasks.
+
+    .DESCRIPTION
+    Iterates over a predefined list of Windows scheduled tasks associated with
+    telemetry and disables each one that exists and is not already disabled.
+    Supports -WhatIf to preview changes without applying them.
+
+    .EXAMPLE
+    Disable-TelemetryScheduledTasks
+#>
+function Disable-TelemetryScheduledTasks {
+    Write-Host "> Disabling telemetry scheduled tasks..."
+    $tasks = Get-TelemetryScheduledTasks
+
+    foreach ($task in $tasks) {
+        if ($script:Params.ContainsKey("WhatIf")) {
+            Write-Host "[WhatIf] Disable Scheduled Task: $($task.Path)$($task.Name)" -ForegroundColor Cyan
+            continue
+        }
+
+        $result = Invoke-NonBlocking -ScriptBlock {
+            param($path, $name)
+            Import-Module ScheduledTasks -ErrorAction SilentlyContinue
+            $taskObj = Get-ScheduledTask -TaskPath $path -TaskName $name -ErrorAction SilentlyContinue
+            if (-not $taskObj) {
+                return @{ Success = $true; Status = 'NotFound' }
+            }
+            if ($taskObj.State -ne 'Disabled') {
+                try {
+                    Disable-ScheduledTask -TaskPath $path -TaskName $name -ErrorAction Stop | Out-Null
+                    return @{ Success = $true; Status = 'Disabled' }
+                }
+                catch {
+                    return @{ Success = $false; Status = 'Error'; Error = $_.Exception.Message }
+                }
+            }
+            return @{ Success = $true; Status = 'AlreadyDisabled' }
+        } -ArgumentList @($task.Path, $task.Name)
+
+        switch ($result.Status) {
+            'Disabled'        { Write-Host "Disabled Scheduled Task: $($task.Path)$($task.Name)" }
+            'AlreadyDisabled' { Write-Host "Scheduled Task $($task.Path)$($task.Name) is already disabled" -ForegroundColor DarkGray }
+            'NotFound'        { Write-Host "Scheduled Task $($task.Path)$($task.Name) not found" -ForegroundColor DarkGray }
+            'Error'           { Write-Host "Failed to disable Scheduled Task: $($task.Path)$($task.Name) - $($result.Error)" -ForegroundColor Yellow }
+        }
+    }
+
+    Write-Host ""
+}
+
+<#
+    .SYNOPSIS
+    Enables known Windows telemetry-related scheduled tasks.
+
+    .DESCRIPTION
+    Iterates over a predefined list of Windows scheduled tasks associated with
+    telemetry and enables each one that exists and is currently disabled.
+    Supports -WhatIf to preview changes without applying them.
+
+    .EXAMPLE
+    Enable-TelemetryScheduledTasks
+#>
+function Enable-TelemetryScheduledTasks {
+    Write-Host "> Enabling telemetry scheduled tasks..."
+    $tasks = Get-TelemetryScheduledTasks
+
+    foreach ($task in $tasks) {
+        if ($script:Params.ContainsKey("WhatIf")) {
+            Write-Host "[WhatIf] Enable Scheduled Task: $($task.Path)$($task.Name)" -ForegroundColor Cyan
+            continue
+        }
+
+        $result = Invoke-NonBlocking -ScriptBlock {
+            param($path, $name)
+            Import-Module ScheduledTasks -ErrorAction SilentlyContinue
+            $taskObj = Get-ScheduledTask -TaskPath $path -TaskName $name -ErrorAction SilentlyContinue
+            if (-not $taskObj) {
+                return @{ Success = $true; Status = 'NotFound' }
+            }
+            if ($taskObj.State -eq 'Disabled') {
+                try {
+                    Enable-ScheduledTask -TaskPath $path -TaskName $name -ErrorAction Stop | Out-Null
+                    return @{ Success = $true; Status = 'Enabled' }
+                }
+                catch {
+                    return @{ Success = $false; Status = 'Error'; Error = $_.Exception.Message }
+                }
+            }
+            return @{ Success = $true; Status = 'AlreadyEnabled' }
+        } -ArgumentList @($task.Path, $task.Name)
+
+        switch ($result.Status) {
+            'Enabled'        { Write-Host "Enabled Scheduled Task: $($task.Path)$($task.Name)" }
+            'AlreadyEnabled' { Write-Host "Scheduled Task $($task.Path)$($task.Name) is already enabled." -ForegroundColor DarkGray }
+            'NotFound'       { Write-Host "Scheduled Task $($task.Path)$($task.Name) not found." -ForegroundColor DarkGray }
+            'Error'          { Write-Host "Failed to enable Scheduled Task: $($task.Path)$($task.Name) - $($result.Error)" -ForegroundColor Yellow }
+        }
+    }
+
+    Write-Host ""
+}

Win11Debloat.ps1

@@ -301,6 +301,7 @@ if (-not $script:WingetInstalled -and -not $Silent) {
 . "$PSScriptRoot/Scripts/Features/RestoreRegistryApplyState.ps1"
 . "$PSScriptRoot/Scripts/Features/RestoreRegistryBackup.ps1"
 . "$PSScriptRoot/Scripts/Features/DisableStoreSearchSuggestions.ps1"
+. "$PSScriptRoot/Scripts/Features/TelemetryScheduledTasks.ps1"
 . "$PSScriptRoot/Scripts/Features/WindowsOptionalFeatures.ps1"
 . "$PSScriptRoot/Scripts/Features/ImportRegistryFile.ps1"
 . "$PSScriptRoot/Scripts/Features/ReplaceStartMenu.ps1"