Windows 10: I really need help ASAP, my laptop isn’t working

Hi, sometime ago I restarted my laptop but instead of it to work properly I found myself a blue screen which state “automatic repair couldn’t repair your pc, either I shut it down or go to advanced options,I tried everything I could but still can’t get it to

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Printer isn´t working after latest update.

After the latest update from Windows, my Canon Pixma ip6600 printer isnt working. In Device Manager it shows up as working properly but when I go to print it isn´t listed as an option in any programs. Troubleshoot suggests it´s a USB 2 printer on a USB
3 port and that that´s the problem but that cant be since it worked fine before the update. I´ve tried to uninstall and plug it back in but that doesn´t work either.

 

Cortana isn´t working

When I hit enter, it did something, but there´s still no Cortana, even after restart. So I tried it again, but now it says that it failed, because it´s already installed and it´s working in PC. So it should work, but Cortana still isn´t here.

 

UNABLE TO ACTIVATE WINDOWS AND NUM LOCK ISN"T WORKING

UNABLE TO ACTIVATE WINDOWS IN SYSTEM AS WELL AS NUM LOCK ISN"T WORKING