SCM Microsystems SCR3310 USB Smart Card Reader drivers SYS STCFUx32.sys

Fix STCFUx32.sys Blue Screen of Death Errors (Free Downloads)

Last Updated: 11/26/2023
[Average Read Time: 4.5 minutes]

STC DFU Driver files, such as STCFUx32.sys, are considered a type of Win32 EXE (Executable application) file. They are associated with the SYS file extension, developed by SCM Microsystems for STC DFU Driver.

The first version of STCFUx32.sys for SCR3310 USB Smart Card Reader drivers 8.41 was seen on 04/01/2003 in Windows 10. According to our records, this release is the only version of this file offered by SCM Microsystems.

In this short article, you will discover detailed file information, steps for troubleshooting SYS file problems with STCFUx32.sys, and list of free downloads for every version that exists in our comprehensive file directory.

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File Overview


General Information ✻
File Name: STCFUx32.sys
File Extension: SYS file extension
Description: STC DFU Driver
Object File Type: Executable application
File Operating System: Windows NT 32-bit
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Developer: SCM Microsystems Inc.
Software Program: STC DFU Driver
Legal Copyright: Copyright © SCM Microsystems Inc.,2006-2008
File Details
Character Set: Unicode
Language Code: English (U.S.)
File Flags: (none)
File Flags Mask: 0x003f
Entry Point: 0x1605
Code Size: 4992
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What are STCFUx32.sys Error Messages?


STCFUx32.sys Blue Screen of Death (BSOD) Errors

There are a number of reasons why you could be encountering issues with STCFUx32.sys. Most of the issues concerning sys files involve Blue Screen of Death (BSOD) errors. These types of STCFUx32.sys errors can be cause by hardware problems, outdated firmware, corrupt drivers, or other software-related (eg. SCR3310 USB Smart Card Reader drivers update) issues. Some of these errors include:

A problem has been detected and Windows has been shut down to prevent damage to your computer. The problem seems to be caused by the following file: STCFUx32.sys.

:( Your PC ran into a problem that it couldn't handle, and now needs to restart. You can search for the error online: [BSOD] (STCFUx32.sys).

<strong>STOP 0x00000050: PAGE FAULT IN A NONPAGED AREA (STCFUx32.sys)</strong><br /><strong>STOP 0x0000001E: KMODE EXCEPTION NOT HANDLED (STCFUx32.sys)</strong><br /><strong>STOP 0×0000007A: KERNEL DATA INPAGE (STCFUx32.sys)</strong><br /><strong>STOP 0x0000007E: SYSTEM THREAD EXCEPTION NOT HANDLED (STCFUx32.sys)</strong><br /><strong>STOP 0x0000003B: SYSTEM SERVICE EXCEPTION (STCFUx32.sys)</strong><br /><strong>STOP 0x0000000A: IRQL NOT LESS EQUAL (STCFUx32.sys)</strong>

It's Critical to Resolve Blue Screen of Death Errors

In the majority of cases, you will encounter STCFUx32.sys BSOD errors after you've installed new hardware, software (SCR3310 USB Smart Card Reader drivers), or performed a failed Windows Update. In other cases, software corruption caused by a malware infection can lead to STCFUx32.sys Blue Screen of Death errors. Therefore, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.


GEEK TIP : As a rule of thumb, it's always a good idea to create a Windows "Snapshot" backup / System Restore Point before making any hardware or software changes to your computer. That way, it's very easy to restore your system in the unfortunate event you encounter a STCFUx32.sys Blue Screen of Death error after recent changes.

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How to Fix STCFUx32.sys Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your STCFUx32.sys issue. These troubleshooting steps are listed in the recommended order of execution.


Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. When you see the search box, type "System Restore" and press "ENTER".
  3. In the search results, find and click System Restore.
  4. Please enter the administrator password (if applicable / prompted).
  5. Follow the steps in the System Restore Wizard to choose a relevant restore point.
  6. Restore your computer to that backup image.

If the Step 1 fails to resolve the STCFUx32.sys error, please proceed to the Step 2 below.

Step 2: If recently installed SCR3310 USB Smart Card Reader drivers (or related software), uninstall then try reinstalling SCR3310 USB Smart Card Reader drivers software.

You can uninstall SCR3310 USB Smart Card Reader drivers software by following these instructions (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. In the search box, type "Uninstall" and press "ENTER".
  3. In the search results, find and click "Add or Remove Programs"
  4. Find the entry for SCR3310 USB Smart Card Reader drivers 8.41 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall SCR3310 USB Smart Card Reader drivers software.

If this Step 2 fails as well, please proceed to the Step 3 below.

SCR3310 USB Smart Card Reader drivers 8.41

SCM Microsystems

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many STCFUx32.sys error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

  1. Hit the Windows Start button
  2. In the search box, type "Update" and press "ENTER".
  3. In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
  4. If updates are available for download, click "Install Updates".
  5. After the update is completed, restart your PC.

If Windows Update failed to resolve the STCFUx32.sys error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.

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If Those Steps Fail: Download and Replace Your STCFUx32.sys File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate STCFUx32.sys file version. We maintain a comprehensive database of 100% malware-free STCFUx32.sys files for every applicable version of SCR3310 USB Smart Card Reader drivers. Please follow the steps below to download and properly replace you file:

  1. Locate your Windows operating system version in the list of below "Download STCFUx32.sys Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate SCR3310 USB Smart Card Reader drivers folder location:
    Windows 10: C:\Program Files (x86)\SCM Microsystems\DFU Drivers\
  4. Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.


GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve STCFUx32.sys problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.

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Download STCFUx32.sys Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying STCFUx32.sys to your appropriate Windows system directory. SCM Microsystems typically does not release SCR3310 USB Smart Card Reader drivers SYS files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing STCFUx32.sys and all other SYS files for SCR3310 USB Smart Card Reader drivers. An incorrectly installed SYS file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10
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Files Related to STCFUx32.sys


SYS Files Related to STCFUx32.sys

File Name Description Software Program (Version) File Size (bytes) File Location
STCFUx64.sys STC DFU Driver STC DFU Driver (2.02) 10368 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...
SCR3XX2K.sys PC-SC CCID Driver for SCR3xx USB Smart Card Reader SCR3xx USB Smart Card Reader (4.49) 57856 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...
S3XXx64.sys PC-SC CCID Driver for SCR3xx USB Smart Card Reader SCR3xx USB Smart Card Reader (4.49) 68224 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...
STCFUx32.sys STC DFU Driver STC DFU Driver (2.02) 7680 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...

Other Files Related to STCFUx32.sys

File Name Description Software Program (Version) File Size (bytes) File Location
SA.DAT Game Data SCR3310 USB Smart Card Reader drivers 8.41 6 C:\WINDOWS\Tasks\
diagerr.xml Extensible Markup Language SCR3310 USB Smart Card Reader drivers 8.41 5718 C:\Windows\System32\Sysprep\Panther\
api-ms-win-core-synch-... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 13160 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...
EtwRTEventLog-Applicat... Microsoft Event Trace Log SCR3310 USB Smart Card Reader drivers 8.41 8088 C:\Windows\System32\LogFiles\WMI\RtBackup\
ShutdownPerformanceDia... Binary Disk Image SCR3310 USB Smart Card Reader drivers 8.41 9862 C:\Windows\System32\wdi\


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