diff --git a/Documentation/PlanetarySystemStacker_User-Guide-German.docx b/Documentation/PlanetarySystemStacker_User-Guide-German.docx
index 3d3a5e8..5f27e33 100644
Binary files a/Documentation/PlanetarySystemStacker_User-Guide-German.docx and b/Documentation/PlanetarySystemStacker_User-Guide-German.docx differ
diff --git a/Documentation/PlanetarySystemStacker_User-Guide-German.pdf b/Documentation/PlanetarySystemStacker_User-Guide-German.pdf
index 19c984c..81db3e4 100644
Binary files a/Documentation/PlanetarySystemStacker_User-Guide-German.pdf and b/Documentation/PlanetarySystemStacker_User-Guide-German.pdf differ
diff --git a/Documentation/PlanetarySystemStacker_User-Guide.docx b/Documentation/PlanetarySystemStacker_User-Guide.docx
index 0fced51..a0c1abb 100644
Binary files a/Documentation/PlanetarySystemStacker_User-Guide.docx and b/Documentation/PlanetarySystemStacker_User-Guide.docx differ
diff --git a/Documentation/PlanetarySystemStacker_User-Guide.pdf b/Documentation/PlanetarySystemStacker_User-Guide.pdf
index 0447b59..577e7fd 100644
Binary files a/Documentation/PlanetarySystemStacker_User-Guide.pdf and b/Documentation/PlanetarySystemStacker_User-Guide.pdf differ
diff --git a/InstallForge/InstallForge_1-4-1.ifp b/InstallForge/InstallForge_1-4-1.ifp
index 7bdd29f..e8c82b5 100644
--- a/InstallForge/InstallForge_1-4-1.ifp
+++ b/InstallForge/InstallForge_1-4-1.ifp
@@ -3,7 +3,7 @@
 ProjectFileVersion = 1.1
 [General]
 Program name = PlanetarySystemStacker
-Program version = 0.8.22
+Program version = 0.8.31
 Windows 2000 = 0
 Windows XP = 0
 Windows Server 2003 = 0
@@ -55,7 +55,7 @@ Time = 2
 PlaySound = 0
 Allow = 0
 [Build]
-File = D:\SW-Development\Python\PlanetarySystemStacker\Windows_Installer\PlanetarySystemStacker_V0.8.22_Windows-Installer.exe
+File = D:\SW-Development\Python\PlanetarySystemStacker\Windows_Installer\PlanetarySystemStacker_V0.8.31_Windows-Installer.exe
 SetupIconPath = D:\SW-Development\Python\PlanetarySystemStacker\Documentation\Icon\PSS-Icon-64.ico
 UninstallIconPath = D:\SW-Development\Python\PlanetarySystemStacker\Documentation\Icon\PSS-Icon-64.ico
 CompressionMethod = 0
diff --git a/planetary_system_stacker/planetary_system_stacker_windows.spec b/planetary_system_stacker/planetary_system_stacker_windows.spec
index 6a20795..c16350b 100644
--- a/planetary_system_stacker/planetary_system_stacker_windows.spec
+++ b/planetary_system_stacker/planetary_system_stacker_windows.spec
@@ -8,7 +8,7 @@ astropy_path, = astropy.__path__
 
 a = Analysis(['planetary_system_stacker.py'],
              pathex=['D:\\SW-Development\\Python\\PlanetarySystemStacker\\planetary_system_stacker'],
-             binaries=[('C:\Python35\Lib\site-packages\opencv_ffmpeg342_64.dll', '.'),
+             binaries=[('C:\Python36\Lib\site-packages\cv2\opencv_videoio_ffmpeg420_64.dll', '.'),
               ('D:\SW-Development\Python\PlanetarySystemStacker\planetary_system_stacker\Binaries\Api-ms-win-core-xstate-l2-1-0.dll', '.'),
               ('D:\SW-Development\Python\PlanetarySystemStacker\planetary_system_stacker\Binaries\Api-ms-win-crt-private-l1-1-0.dll', '.'),
               ('C:\Windows\System32\downlevel\API-MS-Win-Eventing-Provider-L1-1-0.dll', '.'),