Vista introduced UAC, a security feature that constantly popped up asking for permission to make changes. While a vital security advancement, it was perceived as nagging and intrusive.
Upon launch, many manufacturers had not written Vista drivers for their printers, scanners, or graphics cards. Installing from an ISO often left users with broken hardware and a "Generic VGA" driver. iso windows vista home premium
While the system requirements seemed modest (1 GHz CPU, 1 GB RAM, DirectX 9 graphics), running Vista well required far more. The infamous "Windows Vista Capable" lawsuit revealed that Microsoft allowed low-power PCs to be labeled "capable" when they couldn't even run the Aero interface smoothly. Vista introduced UAC, a security feature that constantly