Startup Trouble After Windows Update

Hello, I have a Sony Vaio SVE141D11L with Window 7 that had been running beautifully until yesterday, when I restarted the computer to apply the Windows Updates that were installed on 05/15/2015. Upon restarting, Windows failed to load, and StartUp Repair began. StartUp Repair failed, and I tried F8 and Last Known Good Configuration, but it simply goes back to Startup Repair. With Advanced...