Windows 10 startup issue

[Microsoft Windows]

Today I upgraded Norton to driver update and it updated 16 drivers. The screen sort of froze when calendar reminder came up which I couldn't close. I couldn't maximise anything I had open. Eventually I had to resort to control alt delete to reboot. Now, turn on, get windows sign in with full colour wallpaper, enter password then black screen with just a white mouse that responds to movement only. Cannot go any further. Please help me?

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