Right-click Start , then select Run. Type regedit in the Open: box, and then select OK. Type regedit in the search bar on the taskbar, then select Registry Editor (Desktop app) from the list of results.

If the steps above don't work, you may need to reinstall Windows. For more info, see Windows 10 recovery options. Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

Windows. Summary. 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.

How to back up and restore the registry in Windows - Microsoft Support. Windows 11 Windows 10 Windows 8.1. Back up the registry manually. Select Start , type regedit.exe in the search box, and then press Enter. If you are prompted for an administrator password or for confirmation, type the password or provide confirmation.

Microsoft does not support the use of registry cleaners. Some programs available for free on the internet might contain spyware, adware, or viruses. If you decide to install a registry cleaning utility, be sure to research the product and only download and install programs from publishers that you trust.

Windows 10. There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled. You can try to repair a program first, if it's just not running correctly. Windows 11 Windows 10.

The following list provides links to the instructions and cleanup tools that are available from many security program manufacturers: Avast Uninstall Utility: http://www.avast.com/uninstall-utility. AVG Remover Tool: http://www.avg.com/us-en/utilities. Avira RegistryCleaner: http://www.avira.com/en/downloads#tools.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs. It also fixes corrupted registry keys. First, you'll need to download the troubleshooter. Download troubleshooter. If you see the File Download box when you start downloading, select Run or Open.

To make changes to the registry and export your changes to a .reg file, follow these steps: Click Start, click Run, type regedit in the Open box, and then click OK. Locate and then click the subkey that holds the registry item or items that you want to change. Click File, and then click Export.

How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results. If a PC Health Check update is available, you can quickly install it for the latest version.