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.

Troubleshoots and fixes common issues with file and folder operations in Windows.

Here are a few different ways to find help for Windows. Search for help - Enter a question or keywords in the search box on the taskbar to find apps, files, settings, and get help from the web.

Disk Management in Windows helps you perform advanced storage tasks like initializing a new drive and extending or shrinking volumes.

Follow these steps to reinstall Windows using the recovery media: Start your device from the USB drive that was created with Recovery Drive. The process to boot from a USB drive may vary by manufacturer, so refer to your device's manual if needed.

Learn how to run System File Checker in Windows to check if your computer has problems with files.

In Windows, a CD or DVD drive may not appear in File Explorer and may show a yellow exclamation point in Device Manager. This issue usually indicates a driver or configuration problem, and an error code may appear in the device’s Properties under Device status.

Provides links to the uninstall tools and directions for many security programs.

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.

This article describes how to start the Disk Cleanup tool and specify the hard disk to be cleaned by using the command line. To start the Disk Cleanup tool and specify the hard disk to be cleaned by using the command line, follow these steps: Click Start, and then click Run.