Need to know.
1) Windows version, please use winver.exe
2) Windowblinds versions.
You should be able to change that using the Desktop background color via skinstudio-> Change Skin colors-Show me the skin degined system colors(drop down menu)-> Change "Desktop background" , refer to below image.
I don't know how to upload an image to this forum.
You can upload your image to any image sharing web site and post the link here.
Stardock Community Assistant.