How do I fix Windows loading files?

Stuck at Windows is loading files: Fix for Windows Vista, 7

1. 2.1 Fix #1: Check your HDD and RAM.
2. 2.2 Fix #2: Reset BIOS.
3. 2.3 Fix #3: Boot into Safe Mode.
4. 2.4 Fix #4: Boot into Last Known Good Configuration.
5. 2.5 Fix #5: Disable automatic restart on system failure.
6. 2.6 Fix #6: Run Startup Repair.
7. 2.7 Fix #7: Run bootrec.