diff --git a/build_files/windows/check_libraries.cmd b/build_files/windows/check_libraries.cmd
index 5c29f0fe6e9..68e36c6cd55 100644
--- a/build_files/windows/check_libraries.cmd
+++ b/build_files/windows/check_libraries.cmd
@@ -14,6 +14,16 @@ if NOT EXIST "%BUILD_VS_LIBDIR%\.git" (
 			echo.
 			echo Downloading %BUILD_VS_LIBDIR% libraries, please wait.
 			echo.
+			echo *********************************************************
+			echo *                                                       *
+			echo * Note: Once the initial download finishes and you see  *
+			echo *       "Resolving deltas: 100%% (nnn/nnn) done"         *
+			echo *       a second, much larger, update will occur with   *
+			echo *       no visible updates. Please do not interrupt     *
+			echo *       this process. It may take over an hour to       *
+			echo *       complete depending on your internet connection. *
+			echo *                                                       *
+			echo *********************************************************
 :RETRY
 			"%GIT%" -C "%BLENDER_DIR%\" config --local "submodule.%BUILD_VS_LIBDIR%.update" "checkout"
 			"%GIT%" -C "%BLENDER_DIR%\" submodule update --progress --init "%BUILD_VS_LIBDIR%"
@@ -28,7 +38,10 @@ if NOT EXIST "%BUILD_VS_LIBDIR%\.git" (
 				echo.
 				exit /b 1
 			)
-		)
+		) else (
+           echo Not downloading libraries, until this is resolved you CANNOT make a successful blender build.
+           exit /b 1
+        )
 	)
 ) else (
 	if NOT EXIST %PYTHON% (