You can do system restore, set it back to the date when it is still working fine. or back up your files and perform one key recovery, you can do OKR by shutting down your computer and pressing arrow logo beside power button, it will take you to a step by step screen to restore your system, back up your files coz it will delete everything and set your computer to its factory default state.
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You can do system restore, set it back to the date when it is still working fine. or back up your files and perform one key recovery, you can do OKR by shutting down your computer and pressing arrow logo beside power button, it will take you to a step by step screen to restore your system, back up your files coz it will delete everything and set your computer to its factory default state.