You can resolve problems with Microsoft Authenticator by checking the tips in this article and reviewing some of the known errors.

Microsoft will never proactively reach out to you to provide unsolicited PC or technical support. If you receive a phone call claiming to be from Microsoft, or see a pop-up window on your PC with a fake warning message and a phone number to call and get your "issue" fixed, it's better to be safe and not click any links or provide any personal information.

This page features a list of common error codes and solutions. Learn how to find your error code quickly.

回報新問題 按住 Xbox 按鈕 ，然後選取 回報問題 以啟動回報問題應用程式。 選取 [回報新問題]。 如果您遇到音訊或視音訊問題，您可以選取 使用進階診斷的重現，為問題報告提供額外的資訊和診斷。 否則，請選取 使用標準診斷繼續。 備註如果您選取 使用進階診斷來重現，請繼續執行〈回報媒體 ...

Microsoft Authenticator FAQs Caution A common trick of attackers is to contact you via text or phone pretending to be your bank, IT support, or other service provider and saying they need you to read them the code from your Authenticator to verify your identity on the call. Don't give them the code - they're trying to break into your account and are stuck at the verification prompt. No real ...

Learn how to fix problems signing into your Microsoft account. Resolve password verification, locked account, and other Microsoft account login issues.

You can restore or recover your account credentials saved by Microsoft Authenticator.

获取 Microsoft 365 的支持、帮助和学习资源。 使用 Microsoft 365 让你的生活井然有序、扩展你的创造力并保护重要信息。

Phishing (pronounced: fishing) is an attack that attempts to steal your money, or your identity, by getting you to reveal personal information -- such as credit card numbers, bank information, or passwords -- on websites that pretend to be legitimate. Cybercriminals typically pretend to be reputable companies, friends, or acquaintances in a fake message, which contains a link to a phishing ...

The August 11, 2026 update for Windows 11, version 23H2 includes security and cumulative reliability improvements in .NET Framework 3.5 and 4.8.1. We recommend that you apply this update as part of your regular maintenance routines. Before you install this update, see the Prerequisites and Restart requirement sections. Summary Security Improvements CVE-2026-65810 - .NET Framework Elevation of ...