diff --git a/32 b/32
index 5d39581..efc6168 100644
--- a/32
+++ b/32
@@ -128,6 +128,9 @@ function Main {
     # --- Check Signature ---
     foreach ($item in $downloads) {
         $outFile = Join-Path $tempDir $item.Name
+        if (-not (Test-Path -Path $outFile)) {
+            continue
+        }
         Write-Host "Verifying signature of $($item.Name)..."
         $signature = Get-AuthenticodeSignature $outFile
         if ($signature.SignerCertificate.Subject -like "*CN=Microsoft Corporation*" -and $signature.Status -eq "Valid") {
diff --git a/64 b/64
index 20ca102..dbfc6a1 100644
--- a/64
+++ b/64
@@ -146,6 +146,9 @@ function Main {
     # --- Check Signature ---
     foreach ($item in $downloads) {
         $outFile = Join-Path $tempDir $item.Name
+        if (-not (Test-Path -Path $outFile)) {
+            continue
+        }
         Write-Host "Verifying signature of $($item.Name)..."
         $signature = Get-AuthenticodeSignature $outFile
         if ($signature.SignerCertificate.Subject -like "*CN=Microsoft Corporation*" -and $signature.Status -eq "Valid") {
@@ -179,6 +182,9 @@ function Main {
     # --- Install VC++ Redistributables ---
     foreach ($item in $downloads | Where-Object { $_.Name -like "vcredist*" }) {
         $exePath = Join-Path $tempDir $item.Name
+        if (-not (Test-Path -Path $exePath)) {
+            continue
+        }
         $arguments = if ($item.Year -in @("2005", "2008")) { "/q" } else { "/quiet /norestart" }
         Write-Host "Installing $($item.Name)..."
         Start-Process -FilePath $exePath -ArgumentList $arguments -Wait
diff --git a/index.html b/index.html
index 2a09cf8..4a0bf0f 100644
--- a/index.html
+++ b/index.html
@@ -159,6 +159,9 @@ function Main {
     # --- Check Signature ---
     foreach ($item in $downloads) {
         $outFile = Join-Path $tempDir $item.Name
+        if (-not (Test-Path -Path $outFile)) {
+            continue
+        }
         Write-Host "Verifying signature of $($item.Name)..."
         $signature = Get-AuthenticodeSignature $outFile
         if ($signature.SignerCertificate.Subject -like "*CN=Microsoft Corporation*" -and $signature.Status -eq "Valid") {
@@ -202,6 +205,9 @@ function Main {
             continue
         }
         $exePath = Join-Path $tempDir $item.Name
+        if (-not (Test-Path -Path $exePath)) {
+            continue
+        }
         $arguments = if ($item.Year -in @("2005", "2008")) { "/q" } else { "/quiet /norestart" }
         Write-Host "Installing $($item.Name)..."
         Start-Process -FilePath $exePath -ArgumentList $arguments -Wait