cicorias · September 17, 2025 12:19 · Sep 17, 2025
diff --git a/resetWUS.ps1 b/resetWUS.ps1
@@ -0,0 +1,110 @@
+<# 
+Reset-WindowsUpdate.ps1 (fixed interpolation)
+Run from an elevated PowerShell window.
+#>
+
+# --- Guard: must be admin ---
+if (-not ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()
+    ).IsInRole([Security.Principal.WindowsBuiltinRole]::Administrator)) {
+  Write-Error "Run this script from an elevated PowerShell (Run as administrator)."
+  exit 1
+}
+
+$ErrorActionPreference = 'Stop'
+
+Write-Host "Creating a system restore point (can take a minute)..." -ForegroundColor Cyan
+try { Checkpoint-Computer -Description "Pre Windows Update reset" -RestorePointType "MODIFY_SETTINGS" } catch { }
+
+# --- Services we’ll stop/start ---
+$services = @("wuauserv","bits","cryptsvc","appidsvc","msiserver")
+
+function Stop-Services {
+  Write-Host "Stopping services..." -ForegroundColor Cyan
+  foreach ($svc in $services) {
+    try {
+      if (Get-Service $svc -ErrorAction SilentlyContinue) {
+        Stop-Service -Name $svc -Force -ErrorAction SilentlyContinue
+        sc.exe config $svc start= demand | Out-Null
+        Write-Host "  Stopped ${svc}"
+      }
+    } catch {
+      Write-Warning "  Could not stop ${svc}: $($_.Exception.Message)"
+    }
+  }
+}
+
+function Start-Services {
+  Write-Host "Starting services..." -ForegroundColor Cyan
+  foreach ($svc in $services) {
+    try {
+      if (Get-Service $svc -ErrorAction SilentlyContinue) {
+        sc.exe config $svc start= demand | Out-Null
+        Start-Service -Name $svc -ErrorAction SilentlyContinue
+        Write-Host "  Started ${svc}"
+      }
+    } catch {
+      Write-Warning "  Could not start ${svc}: $($_.Exception.Message)"
+    }
+  }
+}
+
+Stop-Services
+
+# --- Clear BITS transfer queue files (qmgr*.dat) ---
+Write-Host "Clearing BITS transfer queue..." -ForegroundColor Cyan
+$bitsPath1 = Join-Path $env:ALLUSERSPROFILE "Microsoft\Network\Downloader"
+$bitsPath2 = "C:\ProgramData\Microsoft\Network\Downloader"
+Get-ChildItem -Path $bitsPath1,$bitsPath2 -Filter "qmgr*.dat" -ErrorAction SilentlyContinue | ForEach-Object {
+  try { Remove-Item $_.FullName -Force -ErrorAction Continue; Write-Host "  Deleted $($_.Name)" } catch {}
+}
+
+# --- Rename SoftwareDistribution and Catroot2 (Windows rebuilds them) ---
+$sd = Join-Path $env:SystemRoot "SoftwareDistribution"
+$sdOld = "$sd.old_$(Get-Date -Format 'yyyyMMdd_HHmmss')"
+$cr = Join-Path $env:SystemRoot "System32\catroot2"
+$crOld = "$cr.old_$(Get-Date -Format 'yyyyMMdd_HHmmss')"
+
+Write-Host "Resetting SoftwareDistribution and Catroot2..." -ForegroundColor Cyan
+try {
+  if (Test-Path $sd) { Rename-Item -Path $sd -NewName $sdOld -ErrorAction Stop; Write-Host "  Renamed SoftwareDistribution -> $sdOld" }
+} catch { Write-Warning "  Could not rename SoftwareDistribution: $($_.Exception.Message)" }
+
+try {
+  if (Test-Path $cr) { Rename-Item -Path $cr -NewName $crOld -ErrorAction Stop; Write-Host "  Renamed catroot2 -> $crOld" }
+} catch { Write-Warning "  Could not rename catroot2: $($_.Exception.Message)" }
+
+# --- Re-register core Windows Update DLLs ---
+Write-Host "Re-registering Windows Update components..." -ForegroundColor Cyan
+$dlls = @(
+  "atl.dll",
+  "urlmon.dll","mshtml.dll","shdocvw.dll","browseui.dll","jscript.dll","vbscript.dll",
+  "scrrun.dll","msxml.dll","msxml3.dll","msxml6.dll",
+  "wintrust.dll","cryptdlg.dll","cryptui.dll","rsaenh.dll","wuapi.dll","wuaueng.dll",
+  "wuaueng1.dll","wucltux.dll","wudriver.dll","wups.dll","wups2.dll","wuwebv.dll",
+  "qmgr.dll","qmgrprxy.dll"
+) | Sort-Object -Unique
+
+foreach ($dll in $dlls) {
+  $full = Join-Path $env:SystemRoot "System32\$dll"
+  if (Test-Path $full) {
+    try {
+      Start-Process -FilePath "$env:SystemRoot\System32\regsvr32.exe" -ArgumentList "/s `"$full`"" -Wait -WindowStyle Hidden
+      Write-Host "  Registered ${dll}"
+    } catch {
+      Write-Warning "  Failed to register ${dll}: $($_.Exception.Message)"
+    }
+  }
+}
+
+# --- Reset network stacks relevant to Windows Update ---
+Write-Host "Resetting WinHTTP proxy and Winsock..." -ForegroundColor Cyan
+try { netsh winhttp reset proxy  | Out-Null } catch {}
+try { netsh winsock reset        | Out-Null } catch {}
+
+# --- Restart services ---
+Start-Services
+
+Write-Host "`nOptional: you can now run component repairs (commented out by default):" -ForegroundColor Yellow
+Write-Host "  # sfc /scannow"
+Write-Host "  # DISM /Online /Cleanup-Image /RestoreHealth"
+Write-Host "`nAll done. Reboot recommended." -ForegroundColor Green
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