DriverCove

SCR335 SmartCard Reader Driver 4.49.0.0

by SCM Microsystems Inc.87XP64-bit32-bitSHA-256 verified

Manufacturer
SCM Microsystems Inc.
Device
SCR335 SmartCard Reader
Driver version
4.49.0.0
Release date
January 7, 2010
Supported Windows
Windows 8, Windows 7, Windows XP
Architecture
64-bit (x64), 32-bit (x86)
File size
69 KB
File name
20337190_bab243bd5b9d01d1aa7db5e9da18145dd33d81a1.cab
Digital signature
Signed - catalog SCR3XX.cat
INF version
01/07/2010,4.49
INF provider
SCM Microsystems Inc.
Device class
SmartCardReader
Source
Microsoft Update Catalog
Last verified
July 8, 2026
SHA-256
40c15836683ac91d8015c78ed62eeb9133b5bc7d2b69ab66181c23237497166b

Supported hardware IDs (10)

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, Windows 7, Windows XP) 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
0.0.0.0February 10, 2006Microsoft Update Catalog
0.0.0.0December 3, 2003Microsoft Update Catalog