My computer is unable to open virus & Threat protection

[Windows 10]

My account says that actions are needed for virus and protection, when I go to open it, a blank white screen opens then closes.Not able to screenshot my windows version but Id be happy to paste it here. Windows 10 or provide my other information requiredMy computer also isn't able to open things like the calculator, cant tell if that's a related problem or not, and windows security doesn't open, as well as other apps like the microsoft store. Etc;

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