Every Windows user knows the panic moment. A glitch here, a crash there, or a feature that simply refuses to load. The first instinct? Open Command Prompt as Administrator and type sfc /scannow .
This forces Windows to re-index and re-register all built-in apps. Ignore the red error text that may scroll by—this is normal for apps that cannot be reinstalled.
Available via Settings → Recovery → Reset PC. Two options: