diff --git a/foam_sync.ps1 b/foam_sync.ps1
index e502ce1..6ee4d96 100644
--- a/foam_sync.ps1
+++ b/foam_sync.ps1
@@ -52,8 +52,25 @@ $taskPrincipal = New-ScheduledTaskPrincipal -UserId $env:USERNAME -LogonType Int
 # Trigger configuration
 $trigger = New-ScheduledTaskTrigger -Once -At (Get-Date) -RepetitionInterval (New-TimeSpan -Minutes $frequencyMinutes)
 
-# Action configuration: run this script
-$action = New-ScheduledTaskAction -Execute "powershell.exe" -Argument "-NoProfile -NonInteractive -WindowStyle Hidden -ExecutionPolicy Bypass -File `"$scriptPath`""
+# Action configuration:
+# We use an indirection technique to ensure the window is truly hidden.
+# The scheduled task launches an initial PowerShell.
+# This initial PowerShell then uses Start-Process to launch the *actual* script in a new, hidden PowerShell process.
+
+# 1. Path to the script, with internal double quotes escaped as "" (for the -File parameter of the innermost PowerShell)
+$scriptPathForInnermostFileParam = $scriptPath.Replace('"', '""')
+
+# 2. Argument string for the innermost PowerShell instance (the one executing the actual script)
+$innermostPSArgs = "-NoProfile -NonInteractive -ExecutionPolicy Bypass -File \`"$scriptPathForInnermostFileParam\`""
+
+# 3. The innermostPSArgs string needs its single quotes escaped (as '') because it will be wrapped in single quotes for Start-Process's -ArgumentList
+$innermostPSArgsEscapedForStartProcess = $innermostPSArgs.Replace("'", "''")
+
+# 4. Command to be executed by the intermediate PowerShell (launched by Task Scheduler). This command uses Start-Process.
+$commandForIntermediatePS = "Start-Process -FilePath powershell.exe -ArgumentList '$innermostPSArgsEscapedForStartProcess' -WindowStyle Hidden"
+$taskActionArgument = "-NoProfile -NonInteractive -ExecutionPolicy Bypass -Command \`"$($commandForIntermediatePS.Replace('"', '`"'))\`"" # Escape " in command as `"`
+
+$action = New-ScheduledTaskAction -Execute "powershell.exe" -Argument $taskActionArgument
 
 # Task settings
 $settings = New-ScheduledTaskSettingsSet -ExecutionTimeLimit (New-TimeSpan -Minutes 1)
@@ -77,7 +94,7 @@ try {
     $actionMatches = $false
     if ($currentAction -is [Microsoft.Management.Infrastructure.CimInstance] `
         -and $currentAction.Execute -eq "powershell.exe" `
-        -and $currentAction.Argument -eq ("-NoProfile -NonInteractive -WindowStyle Hidden -ExecutionPolicy Bypass -File `"$scriptPath`"")) {
+        -and $currentAction.Argument -eq $taskActionArgument) {
       $actionMatches = $true
     }