The process of downloading the AMD Catalyst 12.1 OpenCL 1.2 Static C+ Preview Driver driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the AMD Catalyst 12.1 OpenCL 1.2 Static C+ Preview Driver driver from the primary server - this is the manufacturer’s AMD official website). If the download still fails to run, check whether your anti-virus software is not blocking the connection to the manufacturer server of the AMD Catalyst 12.1 OpenCL 1.2 Static C+ Preview Driver diver.