How to eliminate BOD, please?

PC : Acer Aspire T3-715
OS : Windows 10 Home 64bit version 1909

What happened:

1. Changed my login passward (administator, local accoundt), restarted & logged in with the new password, the PC worked 4 hours, shut down at noon. Several hours later, started the PC and entered the new password. Bang! Password incorrect. Then, locked.

2. The account password was unlocked by Unlocker in Bob Ombs Modified Win10PE.x64.

2a. Right after this, BOD appeared.
Stop Code:BAD SYSTEM CONFIG INFO

2b...

How to eliminate BOD, please?