DriverCove

SCR331 SmartCard Reader Driver 4.65.0.0

by SCM Microsystems Inc.8.18764-bit32-bitSHA-256 verified

Manufacturer
SCM Microsystems Inc.
Device
SCR331 SmartCard Reader
Driver version
4.65.0.0
Release date
February 11, 2015
Supported Windows
Windows 8.1, Windows 8, Windows 7
Architecture
64-bit (x64), 32-bit (x86)
File size
85 KB
File name
20715547_49fefaf8caa3936ed4d0c541f067103013319844.cab
Digital signature
Signed - catalog SCR3XX.cat
INF version
02/11/2015,4.65.00.00
INF provider
SCM Microsystems Inc.
Device class
SmartCardReader
Source
Microsoft Update Catalog
Last verified
July 8, 2026
SHA-256
e9e31b15f76d3e14fa17a7675d4b9efb3b6c096b0c44d04df1ac7520e6d8a706

Supported hardware IDs (11)

Compare with your device: Device Manager → right-click the device → Properties → Details → Hardware Ids. If one of the values above matches, this driver supports your hardware.

How to install

  1. Create a restore point(Start → "Create a restore point" → Create), so you can roll back if anything goes wrong.
  2. Verify compatibility: your Windows version (Windows 8.1, Windows 8, Windows 7) and architecture (x64, x86)must match this driver, and your device's Hardware ID should appear in the list above.
  3. Download the file using the button - it comes directly from Microsoft Update Catalog.
  4. Optionally verify the checksum: open PowerShell, run Get-FileHash your-download.cab -Algorithm SHA256 and compare with the SHA-256 above.
  5. Extract the .cab archive: right-click → Extract All, or run expand -F:* file.cab C:\driver\ in Command Prompt.
  6. Install via Device Manager: right-click your device → Update driver → Browse my computer → point to the extracted folder. Alternatively run pnputil /add-driver C:\driver\*.inf /install.
  7. Check Device Manager: the device should show no warning icons, and the driver version should match.

How to roll back

If the device stops working after the update: Device Manager → right-click the device → Properties → Driver tab → Roll Back Driver. If the button is greyed out, use the restore point from step 1 (Start → "Recovery" → Open System Restore).

Other versions of this driver

VersionReleasedSource
4.64.0.0October 1, 2013Microsoft Update Catalog
0.0.0.0June 19, 2003Microsoft Update Catalog