Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows.

Describes how to use the Regsvr32 tool to register and unregister OLE controls. Also describes the error messages that may occur and what they mean.

File History is a handy feature in Windows that helps you protect your personal files and folders from accidental loss or damage. Think of it as a backup system that automatically saves copies of your files, so you can easily restore them if something goes wrong. Whether you accidentally delete a file, make unwanted changes, or experience a technical issue, File History can come to your rescue ...

You’re unable to empty the Recycle Bin or delete a file or a folder inside the Recycle Bin. When you try to rename or move a file, you receive the following error message: "The file or folder does not exist."

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

Fixes an error that occurs when you install Microsoft Dynamics CRM 2011 Server on a domain whose NetBIOS domain name contains a period (.).

Learn about system updates for the Xbox operating system and find out what was updated or added in 2024.

Quiet mode and Passive mode All the functions of the Repair Tool can be automated by running the tool in Quiet or Passive mode. This has the benefit of requiring no user interaction for the tool to run. This is especially helpful in large deployments in which system administrators can configure the tool (through the command line) and also collect logs in specified locations. Data collection ...

This security update includes fixes and quality improvements that are part of the following updates: January 13, 2026—KB5073724 (OS Builds 19045.6807 and 19044.6807) January 17, 2026—KB5077796 (OS Builds 19045.6811 and 19044.6811) Out-of-band January 24, 2026—KB5078129 (OS Builds 19045.6812 and 19044.6812) Out-of-band The following is a summary of the issues that this update addresses ...

Summary This article describes how to run Control Panel tools in Windows by typing a command at a command prompt or in the Open box. More Information To run a Control Panel tool in Windows, type the appropriate command in the Open box or at a command prompt. NOTE: If you want to run a command from a command prompt, you must do so from the Windows folder. Also, note that your computer may not ...