How to Resolve ‘Automatic Sample Submission Turns Off’ After Startup on Windows 11 PC



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Windows 11 Insider Preview currently suffers from a strange problem in which the “Automatic Sample Submission” component of Windows Security is automatically disabled after each startup. If you don’t forget to automatically re-enable this setting after each boot, you expose yourself to a significant security risk.

Fortunately, there are ways to fix this problem permanently, so you don’t have to set a constant reminder.

Why is the automatic virus scan disabled after every startup?

First of all, the problem is caused by a bug that automatically disables the auto-sampling feature. After several user reports, Microsoft acknowledged the problem and released a cumulative update for Windows 11 (KB5004300).

How to solve the problem of the disabled auto-sampling feature after each startup?

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Registry Key Optimization

  1. Type Regedit in the search box and click on the result to open the registry editor.
  2. Go to this path: Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender.
  3. Right-click on Windows Defender and select New -> Key.
  4. Rename the new key to SpyNet.
  5. Go to the “SpyNet” folder, right-click on the space and select “New DWORD value (32-bit)”.
  6. Name the new key “DisableBlockAtFirstSeen”.
  7. Double-click it, set Base to hexadecimal, and set the data value to 0.
  8. Also, create keys named “SpynetReporting” and “SubmitSamplesConsent”.
  9. Then set the base for the two keys to hexadecimal and the data value to 1.
  10. Reboot the computer and see if the problem is resolved.

Install Microsoft update KB5004300

  1. Press Win + I to open Windows 11 settings. Then click on Windows Update in the left sidebar.
  2. Click Check for updates. If Windows detects available updates, including KB5004300, it will download and install them.
  3. You’ll be prompted to restart your computer to install the update.

Edit Group Policy

  1. Press Win + R, type gpedit.MSC, and click OK.
  2. Go to Computer Configuration ->Administrative Templates ->Windows Components ->Microsoft Defender Antivirus ->MAPS.
  3. Go to the right section and look for “Send sample files when further analysis is needed”.
  4. Double-click on it and select Enabled.
  5. Save your changes and reboot your computer.



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Frequently Asked Questions

The automatic sample transfer automatically shuts down after each startup. To protect your computer, you have to re-activate this setting after each startup, which is very annoying.

  1. Create a Spynet registry key through the registry editor.
  2. Install the official fix via Windows Updates (KB5004300).

  1. Press Win + I to open Windows 11 settings. Then click on Windows Update in the left sidebar.
  2. Click the Check for Updates button. If Windows detects available updates, including KB5004300, it will download and install them.
  3. You'll be prompted to restart your computer to install this update.
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