Windows 10: A1B2C3 code

Hi Team,When I restarted my Windows 11 ENTERPRISE Workstation before letting me enter my set up Pin code, it said "you have provided pin several times enter the following phrase to continue" and the code was A1B2C3. When I tried to click that code A1B2C3 it let me to sign in Windows through my pin code. Is it some kind of Phishing attack on my system or a bug from MSFT?

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A1B2C3

I’m ready to pull my hair out and throw my laptop out the window! It will not let me type in A1B2C3 and every suggestion takes me right back to it! BTW, I never put in the wrong information to begin with! It was fine one day and this the next! Nothing will let me type it in, change password/pin, not even another screen! Ahhhhhh!

 

A1B2C3

i CAN'T LOG INTO MY LAPTOP. wINDOWS KEEPS SAYING PIN NUMBER IS INCORRECT. iT TELLS ME TO ENTER A1B2C3. WHEN I ENTER THIS NOTHING HAPPENS CAUSE IT STATES THAT A1B2C3 IS AN INCORRECT CHALLENGE PHRASE. I NEED HELP!

 

Required to type 'A1B2C3' before entering PIN

As of a week ago, I have been receiving the error message, "You've entered an incorrect PIN serveral times. To try again enter A1B2C3 below." The problem with that is that I have never entered my PIN incorrectly and am the only one that utilizes my desktop. I have ran malware/virus scans and have turned up zero discrepancies. Additionally, I reinstalled Windows 10 (and activated) a month ago after upgrading my motherboard, processor, and memory. So why is it asking me to enter in this letter/number combination EVERY time despite never having entered in my PIN incorrectly? This is rather annoying and essentially a two-step authentication factor, of sorts, that I did not ask for. Is anyone else experiencing this?