why does my screen flash after downloading windows 10

[Windows Central Question]

After download after typing password, desktop comes up continuously flashing, cannot do anything

 

[vicky geth]

Check your display driver and update it.

 

[Cathy Hume]

I did update my driver and it keeps flashing. Then I can't use the icons at the bottom, by either clicking on them or right clicking.
about ready to scream...