Investigating other possible causes of a problem
You must be logged on as an administrator or a member of the Administrators group in order to complete this procedure. If your computer is connected to a network, network policy settings may also prevent you from completing this procedure.
If a problem still exists after you perform a diagnostic startup, investigate the possible causes listed below. For more information, click Related Topics.
| • | A file is missing, corrupted, or has been replaced. Refer to the System File Checker tool to investigate this option. |
| • | Your registry may be corrupted. Refer to the Registry Scan and Backup Utility to investigate this option. |
| • | Your computer may be infected with a virus. Search the Web, using virus as a keyword, for information about virus-scanning software. |
| • | An upgrade from a previous version of Windows was unsuccessful. |
Detecting and repairing disk errors
