What Causes Error Loading Operating System?

Such computer error loading operating system error occurs to PC owners when the computer loads its operating system improperly due to some hard disk issues, damaged computer operating system files/folders, wrong computer hard disk MBR (Main Bootable Record) information and more.

How do I fix Error Loading Operating System?

Fix #2: Use Startup Repair

1. Insert your Windows Vista install disc.
2. Restart your computer and boot from the CD.
3. Press any key when you see “Press any key to boot from CD or DVD”
4. Click Repair your computer after selecting your language, time and keyboard method.
5. Select the drive of your Windows installation and click Next.

What are the operating system error?

System errors are caused by malfunctioning hardware components, corrupted operating system modules, etc. These are caused by corrupted or malfunctioning system files or software executables. Most runtime errors affect the application that caused it to shut down.