Windows-7 shows device driver was not successfully installed while insert my idea net setter solved rnx-ac1900pce not detected in device manager, or driver installer software.. Original title: after installing driver - "device driver software was not successfully installed" whenever i plug in a printer via usb, the driver software installation icon (located on the right of the taskbar) appears and begins to search for drivers and install them.. Windows 7 ultimate/32bit. itunes 9.0 each time i dock my iphone, i get a pop-up message "device driver software was not installed successfully". i want to stop this message appearing. in fact, windows 7 *is* locating the correct usbaapl driver (which is seen to load in device manager) and