When you start your computer successfully, the Windows Registry Checker tool (Scanreg.exe) creates a backup of system files and registry configuration information (including user account information, protocol bindings, software program settings, and user preferences) once daily.

Explains how to back up the registry for restoration in case it gets corrupted in Windows 10, Windows 8.1, Windows 8, or Windows 7.

This step-by-step article describes how to add, modify, or delete registry subkeys and values by using a Registration Entries (.reg) file.

Explains how to back up the registry for restoration in case it gets corrupted in Windows 10, Windows 8.1, Windows 8, or Windows 7.

Whether it's hidden or missing after an update, this article will help you quickly locate and restore it. If your desktop doesn't show any icons, right-click (or press and hold on a touch device) on the desktop and select View. Ensure that Show desktop icons is checked. If not, select it.

Regsvr32 is a command-line utility to register and unregister OLE controls, such as DLLs and ActiveX controls in the Windows Registry. Regsvr32.exe is installed in the %systemroot%\System32 folder in Windows XP and later versions of Windows.

This behavior occurs because Windows automatically closes any registry handle to a user profile that is left open by an application. Windows does this when Windows tries to close a user profile.

The first command line starts the Registry Checker tool graphical user interface (GUI) and prompts you to create a registry backup. The second command line creates a backup copy of your registry and adds your comment without starting the Registry Checker tool GUI.

Use the System File Checker tool to repair missing or corrupted system files. When critical Windows system files are missing or corrupted, some Windows features may stop working correctly or Windows may stop responding altogether.

When a restore point is selected, System Restore reverts the system files, registry settings, and installed programs to the state they were in at the time the restore point was created. This helps maintain system stability and can be a valuable tool for recovering from unexpected issues.