8B010002 (err 2) - Unknown Passport error. How to Fix It?

These are the symptoms for the Error

To fix the error, you can follow the steps given here

Often if you simply wait a few minutes and try signing in again, you will find that the problem has been resolved. If you have tried this, or the problem has been going on for a long time, please follow these steps:

Restart Your Computer:
Make sure you save your work, then close all the open windows on your desktop.
For Windows 7 and Windows 10 - In the lower left corner of the screen, click the Start button, and then select Shut down. After you click Shut down, a box may appear in the middle of the screen with a drop-down list asking What do you want the computer to do. Choose Restart from the list, then click Okay.
For Windows Vista and Windows 7 – In the lower left corner of the screen, click the Start button. Once the Start menu appears, click the arrow to the right of Shut down and select Restart.
Your computer will shut down and restart itself automatically.
Once your computer has restarted, try signing in to MSN Explorer again.

If you still see the same error message, try resetting your Internet Explorer settings.

Open Internet Explorer by double-clicking on the Internet Explorer icon or selecting it from the Start menu.
At the top of the window select Tools, then Internet Options. Note: if the Tools menu is not visible, press the Alt key.
Click here for instructions to clear Internet temporary files and cookies.
Choose the Security tab and click the Internet icon (it looks like a globe). Then click the Default level button if you can (sometimes this button is unavailable; this is normal).
Choose the Local Intranet icon, then click the Default level button if you can (sometimes this button is also unavailable; again, this is normal).
Choose the Advanced tab and then click the Restore Defaults button (in Internet Explorer 7 and 8, this is named the Restore Advanced Settings button). Click OK when you are done and try signing into MSN Explorer again.

Still not able to sign in? There may be an issue with your computer’s firewall. Following steps will help you in fix the issues.

Look at the bottom right corner of your screen, near where your clock is visible, for icons representing firewall programs. For example, McAfee® users may see a red letter ‘M’. Norton® users may see a yellow circle with an icon in it. Try moving the cursor over each icon. When you do that, a description will appear telling you what each icon represents.
Right-click on the icon for any firewall software you find. If you see Disable or Exit, click that command. If you see the word Enabled with a check mark in front, click the check mark to remove it. You can also consult the documentation that came with your firewall software for instructions on disabling it.
Sign in to MSN Explorer again.
If you found and disabled any firewall software in Step Two, you need to re-enable it now. Right-click the firewall software icon again and click Enable, or click in front of the word Enabled to put a check mark there. You can also consult the documentation that came with your firewall software for instructions on re-enabling it.

Still finding the error? Then you can ask the experts by just click here.

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