Auto-commit: 2025-10-31 08:55:43

install-msu-web-download/installmsu.ps1

@@ -0,0 +1,72 @@
+# MSU Prerequisite Check and Install Script
+
+$LogPath = "C:\Windows\Temp\MSU_Install.log"
+
+function Write-Log {
+    param([string]$Message)
+    $timestamp = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
+    Add-Content -Path $LogPath -Value "$timestamp $Message"
+    Write-Host $Message
+}
+
+# Check 1: Reboot pending
+$RebootRegKey = 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update\RebootRequired'
+if (Test-Path $RebootRegKey) {
+    Write-Log "Pending reboot detected."
+    exit 101
+} else {
+    Write-Log "No pending reboot."
+}
+
+# Check 3: Free space on C:
+$minFreeGB = 5
+$drive = Get-PSDrive -Name C
+if ($null -eq $drive -or ($drive.Free/1GB) -lt $minFreeGB) {
+    Write-Log "Insufficient free space on C:. Required: ${minFreeGB}GB"
+    exit 103
+} else {
+    Write-Log ("Sufficient free space on C:. Free: {0:N2}GB" -f ($drive.Free/1GB))
+}
+
+# MSU download info
+$MSUFile = "windows10.0-kb5060531-x64.msu"
+$MSUUrl = "https://catalog.s.download.windowsupdate.com/c/msdownload/update/software/secu/2025/06/windows10.0-kb5060531-x64_83789c3b9350e10e207370622c4ef54dd685ee02.msu"
+$ScriptDir = "c:\windows\temp"
+$MSUPath = Join-Path $ScriptDir $MSUFile
+
+# Always delete the MSU file before download
+if (Test-Path $MSUPath) {
+    Write-Log "Deleting existing MSU file: $MSUPath"
+    Remove-Item -Path $MSUPath -Force -ErrorAction SilentlyContinue
+}
+
+try {
+    Write-Log "Downloading MSU from $MSUUrl using System.Net.WebClient"
+    $sw = [System.Diagnostics.Stopwatch]::StartNew()
+    $wc = New-Object System.Net.WebClient
+    $wc.DownloadFile($MSUUrl, $MSUPath)
+    $sw.Stop()
+    $downloadTime = "{0:N2}" -f $sw.Elapsed.TotalSeconds
+
+    if (-not (Test-Path $MSUPath)) {
+        Write-Log "Failed to download MSU (file not found after download)"
+        exit 104
+    } else {
+        Write-Log "Download completed: $MSUPath"
+        Write-Log "Download time: $downloadTime seconds"
+    }
+} catch {
+    Write-Log "Failed to download MSU with WebClient: $_"
+    exit 104
+}
+
+Write-Log "Starting installation of $MSUPath"
+
+# Install the MSU silently, no restart
+$process = Start-Process -FilePath "wusa.exe" -ArgumentList "`"$MSUPath`" /quiet /norestart" -Wait -PassThru
+$exitCode = $process.ExitCode
+
+Write-Log "wusa.exe exit code: $exitCode"
+
+# Return the exit code as the script's own exit code
+exit $exitCode