When you start your computer, the registry may not be backed up automatically.

Back to the top

This behavior can occur if either of the following conditions exists:

•	In the C:\Windows\Scanreg.ini file, the "Backup=" line is set to 0.
•	In the registry, the ScanRegistry value is missing from the Run key.

Back to the top

To resolve this behavior, use the appropriate method:

Back to the top

Modify the Scanreg.ini File

Modify the Scanreg.ini file to back up the registry automatically:

1.	Click Start, point to Find, and then click "Files or Folders."
2.	Type scanreg.ini in the Named box, and then click Find Now. Note that you should find one file located in the Windows folder.
3.	Double-click Scanreg.ini. The file should open in Notepad.
4.	Correct the "Backup=" line to "Backup=1" (without quotation marks).
5.	On the File menu, click Save, and then quit Notepad.

For additional information about how to configure the Registry Checker tool, see the following article in the Microsoft Knowledge Base:


How to Customize Registry Checker Tool Settings (http://support.microsoft.com/kb/183603/EN-US/)

Back to the top

Add ScanRegistry to the Run Key in the Registry

WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.


To add ScanRegistry to the Run key in the registry, use Registry Editor to add a new string value named ScanRegistry with a data value of C:\Windows\Scanregw.exe /autorun under the following registry key:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

For additional information about command-line switches for the Registry Checker tool, see the following article in the Microsoft Knowledge Base:

Command-Line Switches for the Registry Checker Tool (http://support.microsoft.com/kb/184023/EN-US/)

Back to the top

For additional information about command-line switches for the Registry Checker tool, see the following article in the Microsoft Knowledge Base:

Description of the Windows Registry Checker Tool (Scanreg.exe) (http://support.microsoft.com/kb/183887/EN-US/)

Back to the top