Fix problems that block programs from being installed or removed
Learn how to use the Program Install and Uninstall troubleshooter to repair issues that block programs from being installed or removed. The troubleshooter fixes corrupted registry keys and 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.
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
Uninstall or remove apps and programs in Windows
Learn how to uninstall or remove apps and programs in Windows 10 or 11 using different methods. Find tips and troubleshooters for common issues and errors.
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
Block pop-ups in Microsoft Edge - Microsoft Support
Learn how to turn on the pop-up blocker feature in Edge and how to allow pop-ups for specific URLs. Find out how to troubleshoot and manage pop-ups, cookies, and extensions in Edge.
Applies To: Microsoft account dashboard
Protect your PC from potentially unwanted applications
Learn how to configure and use reputation-based protection to block PUA that can slow down your machine or display unwanted ads. Windows Security can detect and remove PUA from your system with your action.
Troubleshooting tips for installing and updating Microsoft Edge
Learn how to fix issues with downloading, installing, or updating Microsoft Edge on Windows, Mac, or Linux. Find out how to check your operating system, network, trusted sites, and error codes.
Recover lost or deleted files - Microsoft Support
Learn how to restore files from a backup or a previous version after you can't find them on your computer or you deleted them by mistake. Follow the steps to access previous versions of files and folders from Windows Backup or restore points.
How to use the Regsvr32 tool and troubleshoot Regsvr32 error messages
Regsvr32 is a command-line utility to register and unregister OLE controls, such as DLLs and ActiveX controls in the Windows Registry. Learn the syntax, options, and common solutions for Regsvr32 errors in Windows 10 and other versions of Windows.