What is s 1 5 21 Virus?

Basing from your description, the problem is related to your Google account which may have been corrupted. The best way to confirm this is to contact Google. They should also provide you further assistance in troubleshooting your account.

How do I delete an unknown account?

How do I remove an unknown account in Windows 10?

1. Press Windows + X keys on the keyboard.
2. Select the control panel.
3. Click on User accounts.
4. Click on Manage other account.
5. Enter the password for the administrator account if prompted.
6. Click on the account which you want to delete (Microsoft admin account).

What is an unknown account?

It’s the security identifier (SID) of a user that does not exist on your machine. Your computer absolutely has not been compromised. Why my (probably) Microsoft account has special access to the same folder as the unknown account? It is absolutely is nothing to worry about.

What is account unknown in properties?

You will see “Account Unknown” for an account that is not currently available. This could be from an account you deleted that had permissions, or from an account on another computer that is not connected.

How do I delete an unknown user profile in powershell?

How to: Delete User Profiles With Powershell

1. Step 1: Create the ps1 file. First use this line to show all user profiles on the machine (this only shows domain user profiles, ignoring local users).
2. Step 2: Select the profiles older than 5 days.
3. Step 3: Remove the profiles.
4. Step 4: WhatIf.

What Netplwiz Windows 10?

A: NETPLWIZ is a Windows command that — when enabled — removes the need for a particular user to enter a password upon Windows login. To launch it, click “search,” then type NETPLWIZ in the blank available.

What is account unknown in permissions?

These are deleted accounts that have not had their permissions removed, so they appear as a unknown account because it cannot find the SID of the user.

What is account unknown in registry?

The Account Unknown with SID (security identifier) indicates the User Profile which is no longer exists. You can see this, when account may not be removed correctly.

How do I turn off inheriting permissions?

Procedure

1. Select the group for which you want to turn off permission inheritance, and then click Object > Properties.
2. Click the Permissions icon.
3. Click Advanced, and then clear the Inherited check box.
4. Click one of the following buttons:
5. Click OK, and then click Action > Save.

How do I force a profile to delete?

To delete a user profile in Windows 10, do the following.

1. Press Win + R hotkeys on the keyboard.
2. Advanced System Properties will open.
3. In the User Profiles window, select the profile of the user account and click the Delete button.
4. Confirm the request, and the profile of the user account will now be deleted.

How do I delete old user profiles in PowerShell?

How do I disable Netplwiz?

Follow the steps.

1. Press the. + R combination on your keyboard.
2. Type control userpasswords2 then click on ok.
3. Make the UAC Affirmation.
4. Now switch to Users tab. Uncheck the option “Users must enter a user name and passwordto use this computer”.
5. Click on Apply.
6. Click on OK and that’s it.

How do I remove HKU\\s-1-5-21 from my browser?

Click the Chrome menu on the browser toolbar. Click Tools. Select Extensions. Click the trash can icon to delete extensions that may be related with HKU\\S-1-5-21. A confirmation dialog appears, click Remove. Click the menu button and choose Add-ons. In the Add-ons Manager tab, select the Extensions panel.

How do I remove an unknown user from my computer?

For a more permanent fix, right click on My Computer, click Manage, expand “Local Users & Groups” and then click on Groups. On the right pane you see, go into Administrators or Users. You will see the Security Identifier (SID) from the Account Unknown entry. Just select and remove the account.

How do I remove an account from the account unknown list?

On the right pane you see, go into Administrators or Users. You will see the Security Identifier (SID) from the Account Unknown entry. Just select and remove the account. And you should be all set. Let me know if this works for you.