The "Account Protection" warning appears because the system detects that Microsoft accounts may have security risks, such as login exceptions, device trust loss or incomplete security information. Solutions include: 1. Check whether there are suspicious sessions in the login activity and log out; 2. Re-verify identity through Windows Security; 3. Improve account security information such as backup email or phone number; 4. After verification, choose to trust the current device to avoid frequent prompts. You should maintain a stable login environment, update security information, and enable two-factor verification to reduce false alarms.

When you turn on your computer, you suddenly see the "Account Protection" warning prompted by Windows Security, and you may be a little confused: What is the problem? In fact, this situation is usually because the system detects that your Microsoft account may have security risks, such as abnormal login activity, lost device trust status, or incomplete security information. Don't worry, in most cases, it's not that the account is stolen, but that the system is reminding you to strengthen security settings.

Why does the "Account Protection" warning appear?

This prompt mainly appears in the "Windows Security" application of Windows 10 or Windows 11. There are usually several reasons:

• The account login status is abnormal : For example, you have logged in on another device, or have changed the network environment.
• Security information settings are not completed : For example, no backup email or phone number is set.
• The device trust status is lost : for example, you have not logged in for a long time, or you have not re-trusted the device after the system is reinstalled.
• Suspicious activity detected : Microsoft's security system identifies some possible risky behavior.

This prompt does not mean that you have a security problem, but it is the system reminding you to check the security status of your account.

How to solve the "Account Protection" warning?

If you see this prompt, you can follow the following steps:

• Check for suspicious login
  Log in to the Microsoft Account page to view recent login activities. If there is a device or location you are not familiar with, you can choose "This is not me" to log out of the session.

  

• Reconfirm your identity
  Open Windows Security and click "Account Protection" to alert. The system will guide you to re-verify your account identity. You may need to enter a password or receive a verification code.

• Improve safety information
  Add an alternate mailbox, phone number, or security issues to the security settings of your Microsoft account, which helps the system identify you and quickly restore your account if needed.

• Trust the current device
  If you confirm that it is the device you are using, you can select "Trust this device" after verification to avoid frequent pop-ups of warnings.

How to avoid frequent such prompts?

If you often encounter this kind of prompt, it may be caused by system misjudgment or your usage habits. You can try:

• Maintain a stable login environment
  For example, try to use the same network, device and browser to log in to your account.

• Regularly update safety information
  For example, after changing your mobile phone number, remember to update the contact information in your Microsoft account.

• Turn on two-factor verification
  Although it is a little troublesome, two-factor verification can effectively improve account security and make the system more likely to identify legal login behavior.

• Avoid frequent switching of devices or accounts
  If you frequently switch between different computers or user accounts, it may be recognized as abnormal behavior by the system.

Basically that's it. Although the "Account Protection" prompt for Windows seems scary, it only reminds you to check the security status of your account most of the time. As long as the account information is complete and there is no abnormal login, it can usually be solved quickly. If you have confirmed that you have security, but the prompt still exists, you can try restarting your computer or logging back into your Microsoft account.

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