Original post : Startup Repair Infinite Loop: Fix for Windows Vista, 7, 8, 8.1.
Windows Error Recovery
Windows failed to start. A recent hardware or software change might be the
If Windows files have been damaged or configured incorrectly, Startup Repair
can help diagnose and fix the problem. If power was interrupted during
startup, choose Start Windows Normally.
(Use the arrow keys to highlight your choice.)
Launch Startup Repair (recommended)
Start Windows Normally
Description: Fix problems that are preventing Windows from starting
Automatic Repair couldn't repair your PC
Press "Advanced options" to try other options to repair your PC or "Shut down" to turn off your PC.
Log file: C:\Windows\System32\Logfiles\Srt\SrtTrail.txt
Shut down | Advanced options
To boot into Safe Mode of a Windows 8 or 8.1 system, you need to have the original DVD or USB. If you don't have it, go to Fix with Easy Recovery Essentials.
If you don't have the installation DVD or USB, go to Fix Automatic Repair Loop with Easy Recovery Essentials.