Atmosphere shutter is developed under .NET environment, to use this application make sure you have .net framework 2.0 installed on your computer.
download .net framework 2.0 :
http://www.filehippo.com/download_dotnet_framework_2/download/eeabd59902600cab131b0dd65bd7ccb4/
mirror .net framework 2.0 :
http://download.microsoft.com/download/0/8/c/08c19fa4-4c4f-4ffb-9d6c-150906578c9e/NetFx20SP1_x86.exe
