I hope you have some form of backup?
You can strengthen Windows Security with ConfigureDefender:
Utility for configuring Windows 10 built-in Defender antivirus settings. - AndyFul/ConfigureDefender
github.com
Post updated in December 2025 ConfigureDefender utility for Windows 10/11. New stable version 4.1.0.0 is available on the developer website (updated in February 2025): https://github.com/AndyFul/ConfigureDefender Softpedia...
malwaretips.com