diff --git a/scripts/optimize-windows-update.ps1 b/scripts/optimize-windows-update.ps1
index 434125a..c56e832 100644
--- a/scripts/optimize-windows-update.ps1
+++ b/scripts/optimize-windows-update.ps1
@@ -18,8 +18,14 @@ Set-ItemProperty "HKLM:\SOFTWARE\Policies\Microsoft\Windows\DeliveryOptimization
 #echo "Disabling automatic driver update"
 #sp "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\DriverSearching" "SearchOrderConfig" 0
 
+$objSID = New-Object System.Security.Principal.SecurityIdentifier "S-1-1-0"
+$EveryOne = $objSID.Translate( [System.Security.Principal.NTAccount]).Value
+
+echo "Disable 'Updates are available' message"
+
 Write-Output "Disable 'Updates are available' message"
+
 takeown /F "$env:WinDIR\System32\MusNotification.exe"
-icacls "$env:WinDIR\System32\MusNotification.exe" /deny "Everyone:(X)"
+icacls "$env:WinDIR\System32\MusNotification.exe" /deny "$($EveryOne):(X)"
 takeown /F "$env:WinDIR\System32\MusNotificationUx.exe"
-icacls "$env:WinDIR\System32\MusNotificationUx.exe" /deny "Everyone:(X)"
+icacls "$env:WinDIR\System32\MusNotificationUx.exe" /deny "$($EveryOne):(X)"