As a temporary workaround for critical tasks, you can navigate to Windows Security > Device Security > Core Isolation details and toggle off Memory Integrity , though updating the driver is the vastly superior security choice. Browser Specific Issues (Chrome/Edge/Firefox)
Some older but functional drivers require this. Go to → Device Security → Core Isolation → Turn off Memory Integrity → Reboot.
May 2025 – verified against Windows 11 Pro 23H2 and 24H2 (with known workarounds). ez100pu smart card reader driver windows 11 better
: Official updates ensure that the reader fully supports the latest security protocols required by modern banking and government portals.
Windows 11 disables the Smart Card service by default if you haven't used one before. As a temporary workaround for critical tasks, you
(e.g., Belgium, Estonia, France)
Once Windows 11 boots back up, plug the EZ100PU into a direct USB port (preferably a USB 2.0 or stable USB 3.0 port directly on the motherboard, avoiding unpowered external hubs). Optimizing Windows 11 Settings for Smart Card Readers May 2025 – verified against Windows 11 Pro
If Windows 11 refuses to install the driver because it is not properly signed, you may need to disable driver signature enforcement: Go to . Under Advanced startup , click Restart now .
Even with the best driver, Windows 11 quirks remain. Here are fixes for known problems.
drivers are quite old and often fail these modern checks, leading to: Yellow exclamation marks in Device Manager. "Smart card not found" errors. Devices that work temporarily, then fail.
What specific are you seeing (if any)?