กดรันตัวเกมไม่ได้อะครับ

กดรันตัวเกมแล้ว มันขึ้น     Installer integrity check hsa failed. Common causes include
                                   incomplete download and damaged media. Contact the
                                   installer' s author to obtain a ne copy.
                                   
                                   More information at http://nsis.sf.net/NSIS_Error