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

Troubleshoots and fixes common issues with security and malware prevention in Windows.

IMAP and POP are two methods to access email. IMAP is the recommended method when you need to check your emails from several different devices, such as a phone, laptop, and tablet.

Discover the latest updates for Windows 10, including improvements and fixes, known issues, and guidance on how to get the update.

Learn how to find or fix a device in your Microsoft account.

Windows backup and sync settings sync the settings you choose across all your Windows devices that you've signed in to with your Microsoft account.

Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

Describes how to troubleshoot problems that occur when you install, uninstall, or upgrade a program on a Windows-based computer by using Windows Installer.

Learn how to recover a hacked or compromised account, what to do next, and how to prevent your account from being compromised in the future.