If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

Each release of the tool helps detect and remove current, prevalent malicious software. This malicious software includes viruses, worms, and Trojan horses. Microsoft uses several metrics to determine the prevalence of a malicious software family and the damage that can be associated with it.

July 13, 2004: Microsoft released version 1.0 of the Download.Ject Payload Detection and Removal Tool to the Microsoft Download Center. Version 1.0 detects and removes all currently known variants (A to H) of the Backdoor:W32/Berbew Trojan horse.

Explains how to download the latest antimalware definition updates for Microsoft Forefront Client Security, Microsoft Forefront Endpoint Protection 2010 or Microsoft System Center 2012 Endpoint Protection without installing Microsoft Windows Server Update Services (WSUS).

This security update resolves a Microsoft Excel remote code execution vulnerability and Microsoft Office information disclosure vulnerability. To learn more about the vulnerabilities, see the following security advisories: Microsoft Common Vulnerabilities and Exposures CVE-2021-31174. Microsoft Common Vulnerabilities and Exposures CVE-2021-31175.

In Windows 11, you decide when and how to get the latest updates to keep your device running smoothly and securely. This article will help you answer questions and troubleshoot common problems with your Windows 11 update.

To open File Explorer in Windows 11, select File Explorer on the taskbar or press the Windows logo key + E on your keyboard. Here are some things to try if File Explorer won't open. Check for updates. Restart your device. Reset your PC.

Windows 11. In current Windows 11 builds, we'll automatically fix certain critical problems on your Windows device to keep it running smoothly. We’ll also recommend troubleshooting for other problems that aren’t critical to normal Windows operation but might impact your experience.

To fix this issue, follow the steps for your Office version and installation type. See the 'More Information' section to determine whether your Office installation is Click-to-Run or MSI-based. Office 2016: MSI-based Installations: To fix this issue, install the June 7, 2016, update for Outlook 2016.

This security update resolves vulnerabilities in Microsoft Office that could allow remote code execution if a user opens a specially crafted Office file. To learn more about these vulnerabilities, see Microsoft Common Vulnerabilities and Exposures CVE-2017-11882.