For users who prioritize security above all else, the recommendation is to disable memory integrity only when you need to use the smart card reader, then re-enable it immediately afterward. However, note that re-enabling memory integrity may require uninstalling the EZ100PU driver first, as the incompatible driver will prevent the feature from being turned back on.

: If automation fails, reputable third-party repositories like Driver Scape or DriverIdentifier host legacy versions (e.g., v3.1.7.0) that can be manually forced through Device Manager. Summary of Pros & Cons Review Sentiment Reliability Excellent once the driver is correctly recognized. Ease of Setup

: Generic software frequently triggers the frustrating "Smart Card Device Not Recognized" or "Code 43" errors in Device Manager.

Method 3: Fix "Better" Driver Issues (Driver Signature Enforcement)

Optimizing Your EZ100PU Smart Card Reader on Windows 11: Achieving Better Performance

If the standard installer does not work or if your device appears with a yellow exclamation mark in Device Manager, you can install the driver manually through Device Manager: