How can I solve this Windows Defender error?

[Guillermo Pache]

Hello, when I try to open Windows defender, a message pops up saying "Page Not Available. The IT administrator has restricted access to certain areas of this application, and the item you are trying to access is not available. Please contact the IT support department." Furthermore, there are some functions of the defender missing, for example, the option to add exclusions doesn't even appear. How should I solve this?

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