System File Checker

Introduction to using scannow sfc (system file checker) Windows XP has the ability to protect itself from system instability caused by 3rd party software overwriting important system files. This used to be (and still is in fact), a problem with Windows 95 and Windows 98.With the introduction of Windows Millennium Edition, Microsoft made a real effort to stop this from happening. Now in Windows XP we have a much more refinedprotection of these important files…. This system is called:

Windows File Protection
By default, Windows File Protection is always enabled and allows Windows digitally signed files to replace existing files safely. Currently, signed files are distributed through:

  • Windows Service Packs
  • Hotfix distributions
  • Operating system upgrades
  • Windows Update
  • Windows Device Manager

If you introduce a file replacement in any other way, Windows File protection will overwrite your file! An important part of Windows File Protection is the command line utility:

Continue reading