For the 3rd time in as many weeks, we've had a SQL 2012 sp1 instance go down. Click Next through the installer until you reach the screen that downloads the packages, labeled: 'Select the features you want to install.' Deselect all the checkboxes next to all the packages except Debugging tools for Windows Click Install.| SQL 2012 sp1 Crash ntdll.dll. We don't want all the extras, we just want the tools. | The installer is a downloader for the complete SDK. The steps were fine in the previous machine.