If you're using a Microsoft account to log in to Windows 11, system will by default sync cloud account avatar and overwrite local user avatar, causing your customized local picture to be automatically replaced. Here are specific steps to turn off this automatic sync behavior:

How to Turn Off Microsoft Account Avatar Sync

搞起来。 This method directly closes sync channel between Microsoft account and Windows 11 about personal profile pictures, ensuring that local avatar is not overwritten by cloud avatar, and does not affect independent enablement of or sync functions.

Step 1: Open Settings

Press Windows + I to 观感极佳。 open "Settings" app.

Step 2: Navigate to Accounts

Click on Accounts option on left, n select top Sync your settings.，未来可期。

Step 3: Scroll to Or Windows Settings

In "Sync settings" page, scroll 我比较认同... down to Or Windows settings area.

Step 4: Turn Off Account Picture

Find Account picture toggle swi 我个人认为... tch and turn it to off position.

Step 5: Check Account Status

If switch is gray and cannot be adjusted, please make sure you are logged in with a valid Microsoft account and ensure you are not on a controlled device.

How to Modify Registry to Disable Avatar Sync

When "Account picture" option is missing in system settings or switch cannot be effective, this method uses registry key value to 有啥用呢？ force block avatar sync logic, which is suitable for scenario where group policy is not available or setting interface is abnormal.

Step 1: Open Registry Editor

哈基米！ Press Win + R to open Run dialog box, type regedit and press Enter to run registry editor as an administrator.

Step 2: Navigate to Registry Path

Go to path: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\AccountPicture.，挽救一下。

Step 3: Create a New DWORD Value

一阵见血。 In right pane, right-click on blank area → New → DWORD Value, name it DisableAccountPictureSync.

Step 4: Set Value Data

Double-click on newly created DWORD value, set valu 我emo了。 e data to 1, select "Decimal" as base, and click OK.

Step 5: Log Out and Log In Again

Close registry editor, log out of current user, and log in again to make changes take effect immediately.，我倾向于...

How to Clear Remote Avatar Cache

好吧好吧... This step is used to clear remote avatar cache that system has downloaded and applied, preventing it from reloading when next sync is triggered; at same time, it prevents system from writing new avatar files through permission locking, ensuring that local avatar is persistent and stable.

Step 1: Enter Folder

Press Win + R, enter %localappdata%\Packages\_8wekyb3d8bbw 到位。 e\LocalState\AccountPictures, press Enter to enter folder.

Step 2: Delete All Files

Select all files with prefix AccountPicture in directory, and delete m all.，他破防了。

Step 3: Edit Permissions

Return to parent directory LocalState, right-click on AccountPictures folder → Properties → Security → Edit.

Step 4: Modify User Permissions

In permissions window, select Users group, uncheck Write and Modify permissions, click Apply and confirm.

Step 5: Restart Windows Explorer

坦白说... Restart "Windows Explorer" process to complete local avatar lock.

And that's it! You should now have your local avatar on Windows 11 and no longer have to worry about it being overwritten by cloud avatar.