Update 8x8_Work_Updater.ps1

8x8_Work_Updater.ps1

@@ -1,8 +1,8 @@
 # ==============================================================================
 # Script Name: 8x8_Work_Updater.ps1
-# Description: Downloads 8x8, pops up a native interactive alert directly into 
-#              the active user session, waits for 1 hour or immediate click, 
-#              silently installs, and relaunches 8x8.
+# Description: Downloads 8x8 with a progress bar, triggers a blocking 1-hour 
+#              popup alert, silently installs, and launches 8x8 under the standard 
+#              user session via Explorer.
 # ==============================================================================
 
 # Ensure script is running elevated
@@ -11,10 +11,12 @@ if (-not ([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdenti
     exit 1
 }
 
+# Load required .NET assemblies
 Add-Type -AssemblyName System.Net.Http
 
 $workDir       = "C:\ProgramData\JCT600_8x8Update"
 $installerPath = Join-Path $workDir "8x8_Work_Installer.msi"
+$vbsAlertPath  = Join-Path $workDir "ShowUserAlert.vbs"
 
 if (-not (Test-Path $workDir)) {
     New-Item -Path $workDir -ItemType Directory -Force | Out-Null
@@ -62,20 +64,21 @@ try {
     }
 
     # --------------------------------------------------------------------------
-    # Step 2: Native Interactive Session Alert (Crosses Session 0 Isolation)
+    # Step 2: Trigger Blocking Interactive Popup (Waits for Click or 1 Hour)
     # --------------------------------------------------------------------------
     Write-Host "[2/4] Triggering interactive alert on active user's desktop..." -ForegroundColor Cyan
 
-    # Detect Active User Session ID (query session / qwinsta)
-    $activeSession = (query session | Select-String "Active") -replace '\s+', ' '
-    $sessionId = if ($activeSession) { ($activeSession.ToString().Trim().Split(' '))[2] } else { 1 }
+    # Generate a blocking VBScript WshShell.Popup (Type 48 = Exclamation, 4096 = System Modal / Always on top)
+    $vbsContent = @"
+Set wshShell = CreateObject("WScript.Shell")
+intButton = wshShell.Popup("An automatic update for 8x8 Work has been scheduled by JCT600 IT Support." & vbCrLf & vbCrLf & "Please save active work and finish ongoing calls." & vbCrLf & vbCrLf & "Click OK or close this window to update immediately, or wait for the 1-hour timer.", 3600, "JCT600 IT Support — 8x8 Work Update", 48 + 4096)
+"@
     
-    # Send native interactive dialog directly to user's active screen
-    $title   = "JCT600 IT Support - 8x8 Work Update"
-    $message = "An automatic update for 8x8 Work has been scheduled by IT Support.`n`nPlease save your active work and wrap up ongoing calls.`n`nThe update will process automatically in 60 minutes."
+    [System.IO.File]::WriteAllText($vbsAlertPath, $vbsContent, [System.Text.Encoding]::ASCII)
 
-    # msg.exe sends notification floating on user session screen
-    msg.exe $sessionId /TIME:3600 "$title`n`n$message"
+    # Launch popup and WAIT for user click or 3600-second timeout
+    Write-Host "Waiting for user acknowledgment or 1-hour timeout..." -ForegroundColor Yellow
+    $popupProcess = Start-Process "wscript.exe" -ArgumentList "`"$vbsAlertPath`"" -Wait -PassThru
 
     # --------------------------------------------------------------------------
     # Step 3: Close Running 8x8 Processes & Install Silently
@@ -104,9 +107,9 @@ try {
     Write-Host "Installation completed successfully." -ForegroundColor Green
 
     # --------------------------------------------------------------------------
-    # Step 4: Launch 8x8 Work
+    # Step 4: Launch 8x8 Work via Explorer (User Context)
     # --------------------------------------------------------------------------
-    Write-Host "[4/4] Launching 8x8 Work..." -ForegroundColor Cyan
+    Write-Host "[4/4] Launching 8x8 Work in user session..." -ForegroundColor Cyan
 
     $possiblePaths = @(
         "${env:ProgramFiles}\8x8 Inc\8x8 Work\8x8 Work.exe",
@@ -118,7 +121,9 @@ try {
     $exePath = $possiblePaths | Where-Object { Test-Path $_ } | Select-Object -First 1
 
     if ($exePath) {
-        Start-Process -FilePath $exePath
+        # Using explorer.exe to launch the executable forces Windows to run 8x8 in 
+        # the interactive standard user's desktop context, preventing GPU crashes.
+        Start-Process "explorer.exe" -ArgumentList "`"$exePath`""
         Write-Host "8x8 Work launched successfully." -ForegroundColor Green
     } else {
         Write-Warning "Could not locate 8x8 Work executable."