setting the explorer background opacity is a feature of the program "windowblinds" This program can change virtually every element of the windows graphical user interface by applying new skins downloaded from the internet or self edited ones.
R4yn0r
omg thx! it was the prewiev panel thx ^^ I just had to disable it and now it works =D thx alot edit* sry for double post
I can't find transparency and blur under windowblinds system settings. If you mean the skin default Transparency settings, I tried those already didn't work. I don't have any other problems with transparency. Aero works just fine and even some other 3rd party programms use aero in my UI
I got a problem. It seems like for some unknown reason my windowblinds just won't display explorer opacity at all. If I change it, the explorer background color just becomes gray or black. I'm using windows 7. A friend is using the exactly same OS and the same windowblinds version and doesn't have any problems displaing explorer background opacity.