The status of Secure Boot certificate updates on your device may be displayed in the Windows Security app (Settings > Privacy & security > Windows Security). Learn more about the status alerts via badges and notifications.

深入了解 Xbox 網路上可能發生與帳戶相關的違規。

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 ...

How tech support scams work Scammers may call you directly on the phone and pretend to be representatives of a tech company. They might even spoof the caller ID so that it displays a legitimate support phone number from a trusted company. They'll probably ask you to install applications that give them remote access to your device. Using remote access, these experienced scammers can ...

Learn more about harassment suspensions, gamertag changes, and real name removals on the Xbox network.

If you sign in to your account while traveling or if you install a new app that signs in with your account, you may get an alert. We just need you to provide a security code so we know it was you, and that your account is safe.

移除個人電話號碼或電子郵件地址 使用網頁瀏覽器登入您的帳戶： Microsoft 帳戶 在 [帳戶] 畫面上，前往 [安全性] 區段，然後選取 [更新]。 我們會透過簡訊或電子郵件傳送安全代碼，以確認您是帳戶擁有者。請依照收到的指示輸入這個代碼。 在 [進階安全性選項] 區段中選取 [開始使用]。 在 [證明您 ...

Solution 1. Restart your PC Solution 2. Repair or reset the app (if available) Note: Not all desktop apps support repair or reset options.

Sign-in options Usage Guidelines URL: Privacy Policy URL: ...

Summary Starting with Windows security updates released on and after October 14, 2025, File Explorer automatically disables the preview feature for files downloaded from the internet. This change is designed to enhance security by preventing a vulnerability that could leak NTLM hashes when users preview potentially unsafe files. For more details, review the following frequently asked questions ...