> Then it's indeed picing up the copy of zlib1.dll installed with the > Intel WiFi tools instead of the one installed with Gtk+. > > But i don't know what could be done about that.
Try opening a command prompt (cmd.exe) and setting the path of the gtk runtime before the Intel Wifi tools. set PATH=C:\Path\To\GtkRuntime\bin;%PATH% This will use the gtk runtime zlib1.dll first. If that works and doesn't mess up your intel wifi program, you can make that a global path setting.