Whatever the reason, here we have 5 different solutions to get rid of this.
This will fix the problem if any driver conflict or temporary gitch cause windows stuck welcome screen.
If you are laptop users, Simply forcefully shut down the system.
Then remove the battery and press and hold the power button for few seconds.
Insert laptop battery a usual and start windows normally check this helps.
Again access Advanced Options this time open Command prompt.
Here how to handle this situation.
pull up the Advanced optionsand press System Restore.
This Will Start the Windows System Restore screen.
snag the user account and enter the password to continue the process.