JCT/8x8-Work-updater
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Update 8x8_Work_Updater.ps1

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CristianD
2026-07-29 17:22:15 +01:00
parent 0407a2c4f3
commit 76284f6f41
1 changed files with 22 additions and 17 deletions
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8x8_Work_Updater.ps1
+20 -15
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@@ -1,8 +1,8 @@
# ============================================================================== # ==============================================================================
# Script Name: 8x8_Work_Updater.ps1 # Script Name: 8x8_Work_Updater.ps1
# Description: Downloads 8x8, pops up a native interactive alert directly into # Description: Downloads 8x8 with a progress bar, triggers a blocking 1-hour
# the active user session, waits for 1 hour or immediate click, # popup alert, silently installs, and launches 8x8 under the standard
# silently installs, and relaunches 8x8. # user session via Explorer.
# ============================================================================== # ==============================================================================
# Ensure script is running elevated # Ensure script is running elevated
@@ -11,10 +11,12 @@ if (-not ([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdenti
exit 1 exit 1
} }
# Load required .NET assemblies
Add-Type -AssemblyName System.Net.Http Add-Type -AssemblyName System.Net.Http
$workDir = "C:\ProgramData\JCT600_8x8Update" $workDir = "C:\ProgramData\JCT600_8x8Update"
$installerPath = Join-Path $workDir "8x8_Work_Installer.msi" $installerPath = Join-Path $workDir "8x8_Work_Installer.msi"
$vbsAlertPath = Join-Path $workDir "ShowUserAlert.vbs"
if (-not (Test-Path $workDir)) { if (-not (Test-Path $workDir)) {
New-Item -Path $workDir -ItemType Directory -Force | Out-Null 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 Write-Host "[2/4] Triggering interactive alert on active user's desktop..." -ForegroundColor Cyan
# Detect Active User Session ID (query session / qwinsta) # Generate a blocking VBScript WshShell.Popup (Type 48 = Exclamation, 4096 = System Modal / Always on top)
$activeSession = (query session | Select-String "Active") -replace '\s+', ' ' $vbsContent = @"
$sessionId = if ($activeSession) { ($activeSession.ToString().Trim().Split(' '))[2] } else { 1 } Set wshShell = CreateObject("WScript.Shell")
intButton = wshShell.Popup("An automatic update for 8x8 Work has been scheduled by JCT600 IT Support." & vbCrLf & vbCrLf & "Please save active work and finish ongoing calls." & vbCrLf & vbCrLf & "Click OK or close this window to update immediately, or wait for the 1-hour timer.", 3600, "JCT600 IT Support — 8x8 Work Update", 48 + 4096)
"@
# Send native interactive dialog directly to user's active screen [System.IO.File]::WriteAllText($vbsAlertPath, $vbsContent, [System.Text.Encoding]::ASCII)
$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."
# msg.exe sends notification floating on user session screen # Launch popup and WAIT for user click or 3600-second timeout
msg.exe $sessionId /TIME:3600 "$title`n`n$message" 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 # Step 3: Close Running 8x8 Processes & Install Silently
@@ -104,9 +107,9 @@ try {
Write-Host "Installation completed successfully." -ForegroundColor Green 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 = @( $possiblePaths = @(
"${env:ProgramFiles}\8x8 Inc\8x8 Work\8x8 Work.exe", "${env:ProgramFiles}\8x8 Inc\8x8 Work\8x8 Work.exe",
@@ -118,7 +121,9 @@ try {
$exePath = $possiblePaths | Where-Object { Test-Path $_ } | Select-Object -First 1 $exePath = $possiblePaths | Where-Object { Test-Path $_ } | Select-Object -First 1
if ($exePath) { 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 Write-Host "8x8 Work launched successfully." -ForegroundColor Green
} else { } else {
Write-Warning "Could not locate 8x8 Work executable." Write-Warning "Could not locate 8x8 Work executable."