Force install W10 & 11 on older CPUs , after sometime they will corrupt the BIOS and the system useless.

方法一：How to Fix Microsoft Error 4VT9F?
You just neet to open services.
Scroll down and find M.
you want to com across Microsoft Account Sign-In Assistant.
What you need to do is double-click on it.
A window will pop up.
You neet to head over to Startup Type and make it Automatics.
Make sure it's running.
Then,click on Apply and OK.
Right-click on it, and click on Restart.
If it doesn't, then just restart you computer and try again.


方法二：清除身份驗證快取檔案
若你是在 Windows 環境下使用 Outlook，可嘗試刪除以下資料夾中的快取檔案：
C:\Users\%username%\AppData\Local\Microsoft\OneAuth\blobs
C:\Users\%username%\AppData\Local\Microsoft\OneAuth\accounts
C:\Users\%username%\AppData\Local\Microsoft\IdentityCache
刪除後重新啟動 Outlook 並重新登入帳號。