Fix problems that block programs from being installed or removed
Learn how to use the Program Install and Uninstall troubleshooter to fix corrupted registry keys, prevent programs from being installed or removed, and access the product code. The troubleshooter runs on Windows 10, 8.1, 8, and 7.
Use the System File Checker tool to repair missing or corrupted system ...
Learn how to use the System File Checker tool (SFC.exe) to scan and restore Windows system files that are not working or causing crashes. Follow the steps to run SFC.exe, view the scan results, and manually replace the corrupted files if needed.
Add an exclusion to Windows Security - Microsoft Support
Learn how to stop Windows Security from alerting you or blocking a trusted file, file type, folder, or process by adding it to the exclusions list. Follow the steps for Windows 11 or Windows 10 and choose from files, folders, file types, or process options.
Remove malware from your Windows PC - Microsoft Support
Learn how to use Microsoft Defender Antivirus to scan and remove malware from your PC. Follow the steps to run an offline scan, view the results, and take action on the detected threats.
Applies To: OneDrive (home or personal), OneDrive for Windows
Enable or disable security alerts about links and files from suspicious ...
Learn how to enable or disable security alerts in Office 2013 and 2010 when you work with links or files from suspicious websites. See examples of suspicious links and how to add trusted sites to your zone in Internet Explorer.
Applies To: Excel 2013, Word 2013, Outlook 2013, PowerPoint 2013, OneNote 2013, Project Professional 2013, Project Standard 2013, Publisher 2013, Visio Professional 2013, Visio 2013, Excel 2010, Word 2010, Outlook 2010, PowerPoint 2010, Access 2010, OneNote 2010, Project 2010, Project Standard 2010, Publisher 2010, Visio 2010, Visio Standard 2010, Office 2010, Clip Organizer 2010, Clip Organizer 2013, Excel Starter 2010, InfoPath 2010, InfoPath 2013, Word Starter 2010
Find your BitLocker recovery key - Microsoft Support
Learn how to locate your BitLocker recovery key, a 48-digit number needed to unlock an encrypted drive in Windows. See where to find it attached to your Microsoft account, work or school account, printout, or USB flash drive.
Block pop-ups in Microsoft Edge - Microsoft Support
Learn how to turn on the pop-up blocker feature in Edge to prevent websites from opening unwanted windows or tabs. Find out how to allow pop-ups for specific URLs and what to do if you still see pop-ups.
Applies To: Microsoft account dashboard
Install the latest updates for Windows - Microsoft Support
Learn how to check for and install updates for Windows 11 and Windows 10 manually or automatically. Find answers to common questions and troubleshoot problems with Windows Update.
Create installation media for Windows - Microsoft Support
Learn how to use a USB flash drive or DVD to install, reinstall, or perform a clean installation of Windows 7, 8.1, 10, or 11. Find the software download website, product key, and recovery options for Windows.
Recovery options in Windows - Microsoft Support
Learn how to fix your PC problems with different recovery options in Windows 11, 10, and 8.1. Find out how to remove updates, reset your PC, use installation media, or go back to a previous version of Windows.