The description of these errors and their resolution is mainly verbatim from Microsoft's on-line documentation at msdn.microsoft.com, as such much of the text is copyright the Microsoft Corporation.
Several of the resolutions to the errors discussed are highly technical in nature and often involve the use of system tools which, if not used correctly, may cause damage to your computer system. Such actions should only be undertaken by trained persons. Computer Works accept no responsibility for any damage caused to your computer system as a result of these actions.