For severe issues, using the official Microsoft Media Creation Tool to "Reset this PC" or perform an "In-place Upgrade" is the most reliable way to fix Windows while keeping your files.
I can walk you through the safe steps to resolve it. For severe issues, using the official Microsoft Media
These files often contain hidden code that allows hackers to access your computer remotely. For severe issues
The official developer, Tweaking.com , offers a very capable Free Version of Windows Repair that covers the most essential fixes without needing a crack. For severe issues, using the official Microsoft Media