Update 8x8_Work_Updater.ps1

This commit is contained in:
2026-07-29 17:06:49 +01:00
parent 366dbbb619
commit cfd5589796
+14 -20
View File
@@ -1,9 +1,8 @@
# ==============================================================================
# Script Name: Update-8x8Work-DualSession.ps1
# Description: Downloads 8x8, launches a zero-console interactive JCT600 GUI
# in the active user's session via VBScript wrapper (BOM fixed),
# waits for completion/override (1-hour countdown), silently installs,
# launches 8x8 as standard user, and cleans up tasks.
# Script Name: 8x8_Work_Updater.ps1
# Description: Downloads 8x8, launches an interactive JCT600 GUI attached to
# the active user's desktop via schtasks /IT, waits for response,
# silently installs, relaunches 8x8 Work, and cleans up.
# ==============================================================================
# Ensure script is running elevated
@@ -159,7 +158,7 @@ WshShell.Run "powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -File "
[System.IO.File]::WriteAllText($vbsScript, $vbsContent, [System.Text.Encoding]::ASCII)
# --------------------------------------------------------------------------
# Step 3: Trigger Interactive GUI via VBS Wrapper in User's Session
# Step 3: Trigger Interactive GUI Attached to User Desktop WindowStation
# --------------------------------------------------------------------------
Write-Host "[3/5] Launching dialog in active user's desktop session..." -ForegroundColor Cyan
@@ -176,11 +175,10 @@ WshShell.Run "powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -File "
} else {
Write-Host "Detected active user: $loggedUser" -ForegroundColor Green
$action = New-ScheduledTaskAction -Execute "wscript.exe" -Argument "`"$vbsScript`""
$principal = New-ScheduledTaskPrincipal -UserId $loggedUser -LogonType Interactive -RunLevel Limited
Register-ScheduledTask -TaskName $taskName -Action $action -Principal $principal -Force | Out-Null
Start-ScheduledTask -TaskName $taskName
# Register task using schtasks.exe /IT to force GUI attachment to active screen station
$trCommand = "wscript.exe `"$vbsScript`""
& schtasks.exe /Create /TN $taskName /TR $trCommand /SC ONCE /ST 00:00 /RU $loggedUser /IT /F | Out-Null
& schtasks.exe /Run /TN $taskName | Out-Null
Write-Host "Waiting for user dialog response or timer expiration (1 hour max)..." -ForegroundColor Yellow
while (-not (Test-Path $flagFile)) {
@@ -215,7 +213,7 @@ WshShell.Run "powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -File "
Write-Host "Installation completed successfully." -ForegroundColor Green
# --------------------------------------------------------------------------
# Step 5: Launch 8x8 Work under Active User Account
# Step 5: Launch 8x8 Work in User Desktop Session
# --------------------------------------------------------------------------
Write-Host "[5/5] Launching 8x8 Work in user session..." -ForegroundColor Cyan
@@ -230,15 +228,11 @@ WshShell.Run "powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -File "
if ($exePath) {
if (-not [string]::IsNullOrEmpty($loggedUser)) {
# Launch 8x8 via standard user Scheduled Task to avoid Admin elevation GPU context crashes
$launchTask = "JCT600_8x8_AppLaunch"
$launchAction = New-ScheduledTaskAction -Execute "$exePath"
$launchPrincipal = New-ScheduledTaskPrincipal -UserId $loggedUser -LogonType Interactive -RunLevel Limited
Register-ScheduledTask -TaskName $launchTask -Action $launchAction -Principal $launchPrincipal -Force | Out-Null
Start-ScheduledTask -TaskName $launchTask
& schtasks.exe /Create /TN $launchTask /TR "`"$exePath`"" /SC ONCE /ST 00:00 /RU $loggedUser /IT /F | Out-Null
& schtasks.exe /Run /TN $launchTask | Out-Null
Start-Sleep -Seconds 3
Unregister-ScheduledTask -TaskName $launchTask -Confirm:$false -ErrorAction SilentlyContinue
& schtasks.exe /Delete /TN $launchTask /F | Out-Null
Write-Host "8x8 Work launched successfully for $loggedUser." -ForegroundColor Green
} else {
Start-Process -FilePath $exePath
@@ -252,7 +246,7 @@ WshShell.Run "powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -File "
# Mandatory Cleanup
# --------------------------------------------------------------------------
Write-Host "Cleaning up scheduled task and temporary files..." -ForegroundColor Gray
Unregister-ScheduledTask -TaskName $taskName -Confirm:$false -ErrorAction SilentlyContinue
& schtasks.exe /Delete /TN $taskName /F 2>$null | Out-Null
if (Test-Path $workDir) {
Remove-Item $workDir -Recurse -Force -ErrorAction SilentlyContinue