Install of the Rapport MSI file fails - Microsoft Community Hello Malcolm-Walker, First, let's run System File checker to see if you have any corrupted system files Click Start Type: CMD, from the results, right click CMD Click 'Run as Administrator' At the Command Prompt, type: sfc scannow This will check for any integrity violations and fix any corrupted operating system files Restart your system Now run chkdsk: 1 Disable any security software