When critical Windows system files are missing or corrupted, your operating system may begin to malfunction. Common symptoms include Windows features not working properly, system errors, or Windows becoming unresponsive or freezing.

Windows File Explorer helps you find, open, organize, and manage files and folders on your PC and in the cloud. To open File Explorer in Windows 11, select it on the taskbar or the Start menu, or press the Windows logo key + E on your keyboard. How to use File Explorer:

Learn how to use Manage and Optimize Drives to keep your disk and data drives defragmented and at top performance in Windows.

In the File Download dialog box, click Run or Open, and then follow the steps in the File and Folder Troubleshooter. Notes: This troubleshooter might be in English only. However, the automatic fix also works for versions of Windows in other languages.

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. The troubleshooter provides steps for you to follow. If a program isn't listed in the uninstall options, you'll be asked for that program's product code.

Win32/Conficker.D is installed by previous variants of Win32/Conficker. Use strong administrator passwords that are unique for all computers. Do not log on to computers by using Domain Admin credentials or credentials that have access to all computers. Make sure all systems have the latest security updates applied. Disable the Autoplay features.

Microsoft Defender for Endpoint on Windows Server 2012 R2, Windows Server 2016. This update services the EDR sensor included in the new Microsoft Defender for Endpoint unified solution package released in 2021. Installation is required before this package can be applied.

Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the Recycle Bin. Recovery on cloud storage and network file shares is not supported.

Alternatively, if installation doesn't start automatically, browse the disc to find the program setup file, usually called Setup.exe or Install.exe. Open the file to start installation.

To get the latest version of DirectX for your version of Windows, use Windows Update. If you have Windows 10 or 11, then you already have the latest version of DirectX installed. Note: Not all versions of Windows can run the latest versions of DirectX.