diff --git a/scripts/compact.bat b/scripts/compact.bat
index a658b71e..a956e44f 100644
--- a/scripts/compact.bat
+++ b/scripts/compact.bat
@@ -8,7 +8,7 @@ if not exist "C:\Windows\Temp\7z1900-x64.msi" (
 msiexec /qb /i C:\Windows\Temp\7z1900-x64.msi
 
 if not exist "C:\Windows\Temp\ultradefrag.zip" (
-	powershell -Command "(New-Object System.Net.WebClient).DownloadFile('https://downloads.sourceforge.net/project/ultradefrag/stable-release/6.1.0/ultradefrag-portable-6.1.0.bin.amd64.zip', 'C:\Windows\Temp\ultradefrag.zip')" <NUL
+	powershell -Command "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; (New-Object System.Net.WebClient).DownloadFile('https://downloads.sourceforge.net/project/ultradefrag/stable-release/6.1.0/ultradefrag-portable-6.1.0.bin.amd64.zip', 'C:\Windows\Temp\ultradefrag.zip')" <NUL
 )
 
 if not exist "C:\Windows\Temp\ultradefrag-portable-6.1.0.amd64\udefrag.exe" (
diff --git a/scripts/vm-guest-tools.bat b/scripts/vm-guest-tools.bat
index ead51d60..d9ba14cf 100644
--- a/scripts/vm-guest-tools.bat
+++ b/scripts/vm-guest-tools.bat
@@ -39,7 +39,7 @@ if exist "C:\Users\vagrant\VBoxGuestAdditions.iso" (
 )
 
 if not exist "C:\Windows\Temp\VBoxGuestAdditions.iso" (
-    powershell -Command "(New-Object System.Net.WebClient).DownloadFile('https://download.virtualbox.org/virtualbox/6.0.10/VBoxGuestAdditions_6.0.10.iso', 'C:\Windows\Temp\VBoxGuestAdditions.iso')" <NUL
+    powershell -Command "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; (New-Object System.Net.WebClient).DownloadFile('https://download.virtualbox.org/virtualbox/6.0.10/VBoxGuestAdditions_6.0.10.iso', 'C:\Windows\Temp\VBoxGuestAdditions.iso')" <NUL
 )
 
 cmd /c ""C:\Program Files\7-Zip\7z.exe" x C:\Windows\Temp\VBoxGuestAdditions.iso -oC:\Windows\Temp\virtualbox"