Windows System Error Code 15400 – ERROR_CANNOT_SWITCH_RUNLEVEL (0x3C28)]

In this post, you’ll learn about the Windows System Error ERROR_CANNOT_SWITCH_RUNLEVEL (0x3C28)] and the reason why you are receiving the error message

How does this Error in Windows Look like?

Error Code 15400 ERROR_CANNOT_SWITCH_RUNLEVEL (0x3C28)]

Why do you receive the System Error Error Code 15400 ERROR_CANNOT_SWITCH_RUNLEVEL (0x3C28)] in Windows?

The requested run level switch cannot be completed successfully.