When you are starting a Microsoft Windows XP computer, you may receive this error code.
Life can be so beautiful but Windows update failure.
You may have a bad or corrupt Dpcdll.dll file. Find this file on your system, and rename it Dpcdll.old. Then, copy a Dpcdll.dll file from a different computer, and paste it into your old system in place of the one you just renamed. Reboot your computer.
TipFor more information, please see: How to fix System error #0x8007007e