diff --git a/scripts/install-offsite-backup-task.ps1 b/scripts/install-offsite-backup-task.ps1
index 1bad989..053de5b 100644
--- a/scripts/install-offsite-backup-task.ps1
+++ b/scripts/install-offsite-backup-task.ps1
@@ -10,6 +10,7 @@ $ErrorActionPreference = "Stop"
 $repoRoot = Split-Path -Parent $PSScriptRoot
 $envFile = Join-Path $repoRoot ".env"
 $syncScript = Join-Path $PSScriptRoot "sync-voidbot-backup-offsite.ps1"
+$hiddenLauncher = Join-Path $PSScriptRoot "run-hidden-powershell.vbs"
 
 function Read-DotEnv {
   param(
@@ -67,7 +68,8 @@ if (-not ($config.ContainsKey("OFFSITE_BACKUP_SSH_TARGET")) -or [string]::IsNull
 }
 
 $runAt = [DateTime]::ParseExact($taskTimeValue, "HH:mm", [System.Globalization.CultureInfo]::InvariantCulture)
-$action = New-ScheduledTaskAction -Execute "powershell.exe" -Argument "-NoProfile -NonInteractive -WindowStyle Hidden -ExecutionPolicy Bypass -File `"$syncScript`""
+# Use WSH as a GUI host so the interactive task can stay hidden without flashing a console.
+$action = New-ScheduledTaskAction -Execute "wscript.exe" -Argument "//B //nologo `"$hiddenLauncher`" -NoProfile -NonInteractive -WindowStyle Hidden -ExecutionPolicy Bypass -File `"$syncScript`""
 $trigger = New-ScheduledTaskTrigger -Daily -At $runAt
 $settings = New-ScheduledTaskSettingsSet -StartWhenAvailable -AllowStartIfOnBatteries -DontStopIfGoingOnBatteries -ExecutionTimeLimit (New-TimeSpan -Hours 6)
 $principal = New-ScheduledTaskPrincipal -UserId "$env:USERDOMAIN\$env:USERNAME" -LogonType Interactive -RunLevel Limited
@@ -79,7 +81,7 @@ Write-Host "Installed scheduled task: $taskNameValue"
 Write-Host "Schedule: daily at $taskTimeValue"
 Write-Host "Task runs as: $($env:USERDOMAIN)\$($env:USERNAME)"
 Write-Host "Logon mode: Interactive"
-Write-Host "Window mode: Hidden"
+Write-Host "Launcher: wscript.exe hidden PowerShell shim"
 Write-Host "Execution time limit: 6 hours"
 
 if ($RunNow) {
diff --git a/scripts/install-operations-watchdog-task.ps1 b/scripts/install-operations-watchdog-task.ps1
index 817023b..b0cdc43 100644
--- a/scripts/install-operations-watchdog-task.ps1
+++ b/scripts/install-operations-watchdog-task.ps1
@@ -11,6 +11,7 @@ $ProgressPreference = "SilentlyContinue"
 $repoRoot = Split-Path -Parent $PSScriptRoot
 $envFile = Join-Path $repoRoot ".env"
 $checkScript = Join-Path $PSScriptRoot "check-voidbot-operations.ps1"
+$hiddenLauncher = Join-Path $PSScriptRoot "run-hidden-powershell.vbs"
 
 function Read-DotEnv {
   param(
@@ -76,7 +77,8 @@ if (-not ($config.ContainsKey("DISCORD_OWNER_ID")) -or [string]::IsNullOrWhiteSp
 }
 
 $startAt = (Get-Date).AddMinutes(5)
-$action = New-ScheduledTaskAction -Execute "powershell.exe" -Argument "-NoProfile -NonInteractive -WindowStyle Hidden -ExecutionPolicy Bypass -File `"$checkScript`" -NotifyOwner -FailOnIssues"
+# Use WSH as a GUI host so the interactive task can stay hidden without flashing a console.
+$action = New-ScheduledTaskAction -Execute "wscript.exe" -Argument "//B //nologo `"$hiddenLauncher`" -NoProfile -NonInteractive -WindowStyle Hidden -ExecutionPolicy Bypass -File `"$checkScript`" -NotifyOwner -FailOnIssues"
 $trigger = New-ScheduledTaskTrigger -Once -At $startAt -RepetitionInterval (New-TimeSpan -Minutes $intervalMinutesValue) -RepetitionDuration (New-TimeSpan -Days 3650)
 $settings = New-ScheduledTaskSettingsSet -StartWhenAvailable -AllowStartIfOnBatteries -DontStopIfGoingOnBatteries -ExecutionTimeLimit (New-TimeSpan -Minutes 15)
 $principal = New-ScheduledTaskPrincipal -UserId "$env:USERDOMAIN\$env:USERNAME" -LogonType Interactive -RunLevel Limited
@@ -88,7 +90,7 @@ Write-Host "Installed scheduled task: $taskNameValue"
 Write-Host "Schedule: every $intervalMinutesValue minute(s), starting at $($startAt.ToString('yyyy-MM-dd HH:mm'))"
 Write-Host "Task runs as: $($env:USERDOMAIN)\$($env:USERNAME)"
 Write-Host "Logon mode: Interactive"
-Write-Host "Window mode: Hidden"
+Write-Host "Launcher: wscript.exe hidden PowerShell shim"
 Write-Host "Execution time limit: 15 minutes"
 
 if ($RunNow) {
diff --git a/scripts/run-hidden-powershell.vbs b/scripts/run-hidden-powershell.vbs
new file mode 100644
index 0000000..2a4d85b
--- /dev/null
+++ b/scripts/run-hidden-powershell.vbs
@@ -0,0 +1,20 @@
+Option Explicit
+
+Dim shell
+Dim command
+Dim i
+Dim exitCode
+
+Set shell = CreateObject("WScript.Shell")
+command = QuoteArg(shell.ExpandEnvironmentStrings("%SystemRoot%\System32\WindowsPowerShell\v1.0\powershell.exe"))
+
+For i = 0 To WScript.Arguments.Count - 1
+  command = command & " " & QuoteArg(CStr(WScript.Arguments(i)))
+Next
+
+exitCode = shell.Run(command, 0, True)
+WScript.Quit exitCode
+
+Function QuoteArg(value)
+  QuoteArg = """" & Replace(value, """", """""") & """"
+End Function