Depending on whether you actually use a smart card reader (often built into laptops or used via USB tokens like StarSign), choose one of the following methods:

Windows 11 requires drivers to be compatible with Hypervisor-Protected Code Integrity (HVCI). Older versions of alcgener.sys do not meet these security standards, causing Windows to block the feature to prevent potential system instability or security gaps. How to resolve the issue

Core Isolation - Memory Integrity - No incompatible drivers found

C:\Windows\System32\drivers\

He rebooted into Safe Mode. The world of Safe Mode was a grayscale, low-resolution purgatory. The fancy transparent windows of Windows 11 were gone, replaced by the stark, functional look of the past. This was the surgeon's table.