Window server service failed to start

Error:
Windows could not start the SQL Server (MSSQLSERVER) service on Local Computer.
Error 1069: The service did not start due to a logon failure.

Problem:
Windows login credential fail to start service of tool.

Solution:
- Open control panel - Services
- look for sqlserver service
- Right click PROPERTIES
- Goto LOGON tab
- Add your updated credential
- press ok and start service