In this post, you’ll learn about the Windows System Error ERROR_THREAD_MODE_NOT_BACKGROUND (0x191)] and the reason why you are receiving the error message
How does this Error in Windows Look like?
Error Code 401 ERROR_THREAD_MODE_NOT_BACKGROUND (0x191)]
Why do you receive the System Error Error Code 401 ERROR_THREAD_MODE_NOT_BACKGROUND (0x191)] in Windows?
The thread is not in background processing mode.