BullGuard BullGuard Internet Security SYS trufos.sys

Downloading and Repairing Trufos.sys

Last Updated: 11/26/2023
[Average Article Time to Read: 4.7 minutes]

The development of Bitdefender Antivirus by BullGuard prompted the latest creation of trufos.sys. It is also known as a Trufos Kernel Module file (file extension SYS), which is classified as a type of Win64 EXE (Dynamic link library) file.

The initial introduction of trufos.sys released in Adaware Antivirus 12.4.930.11587 was for Windows 10 on 06/27/2018. The latest file update released for BullGuard Internet Security 2013 was on 09/10/2012 [file version 2.5.2.25.0f02702 Free Build].

Below, you find comprehensive file information, instructions for simple SYS file troubleshooting, and list of free trufos.sys downloads for each available file version.

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File Overview


General Information ✻
File Name: trufos.sys
File Extension: SYS file extension
Description: Trufos Kernel Module
Object File Type: Dynamic link library
File Operating System: Windows NT 32-bit
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Developer: Bitdefender
Software Program: Bitdefender Antivirus
Legal Copyright: Copyright © Bitdefender
File Details
Character Set: Unicode
Language Code: English (U.S.)
File Flags: (none)
File Flags Mask: 0x003f
Entry Point: 0x96000
Code Size: 530432
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What are trufos.sys Error Messages?


trufos.sys Blue Screen of Death (BSOD) Errors

There are a number of reasons why you could be encountering issues with trufos.sys. Most of the issues concerning sys files involve Blue Screen of Death (BSOD) errors. These types of trufos.sys errors can be cause by hardware problems, outdated firmware, corrupt drivers, or other software-related (eg. BullGuard Internet Security 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: trufos.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] (trufos.sys).

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

It's Critical to Resolve Blue Screen of Death Errors

In the majority of cases, you will encounter trufos.sys BSOD errors after you've installed new hardware, software (BullGuard Internet Security), or performed a failed Windows Update. In other cases, software corruption caused by a malware infection can lead to trufos.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 trufos.sys Blue Screen of Death error after recent changes.

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How to Fix trufos.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 trufos.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 trufos.sys error, please proceed to the Step 2 below.

Step 2: If recently installed BullGuard Internet Security (or related software), uninstall then try reinstalling BullGuard Internet Security software.

You can uninstall BullGuard Internet Security 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 BullGuard Internet Security 2013 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall BullGuard Internet Security software.

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

BullGuard Internet Security 2013

BullGuard

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 trufos.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 trufos.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 trufos.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 trufos.sys file version. We maintain a comprehensive database of 100% malware-free trufos.sys files for every applicable version of BullGuard Internet Security. 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 trufos.sys Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate BullGuard Internet Security folder location:
    Windows 10: C:\Windows\System32\drivers\
    Windows 10: C:\Program Files\Bitdefender Antivirus Free\
    Windows 10: C:\Windows\System32\drivers\
    Windows 10: C:\Program Files (x86)\IObit\Advanced SystemCare Ultimate\Antivirus\x64\
    Windows 10: C:\Program Files (x86)\IObit\Advanced SystemCare Ultimate\Antivirus\
    Show 6 more directories +
    Windows 10: C:\Program Files (x86)\IObit\Advanced SystemCare Ultimate\Antivirus\legacy\x64\
    Windows 10: C:\Program Files (x86)\IObit\Advanced SystemCare Ultimate\Antivirus\legacy\Win32\
    Windows 10: C:\Windows\System32\drivers\
    Windows 10: C:\Program Files\adaware\adaware antivirus\Antimalware Engine\3.0.160.0\
    Windows 10: C:\Windows\System32\drivers\
    Windows 10: C:\Program Files\Common Files\BullGuard Ltd\BullGuard\Antivirus\Antirootkit\
  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 trufos.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.

Recommended Download (WinThruster): Optimize Your PC and Fix SYS File Association Errors.

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


CAUTION : We strongly advise against downloading and copying trufos.sys to your appropriate Windows system directory. BullGuard typically does not release BullGuard Internet Security 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 trufos.sys and all other SYS files for BullGuard Internet Security. 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 trufos.sys


SYS Files Related to trufos.sys

File Name Description Software Program (Version) File Size (bytes) File Location
BdNet.sys BullGuard Network Filter BullGuard (2.4.0.44) 174112 C:\Windows\System32\winevt\Logs\
BdSentry.sys BullGuard Security Engine BullGuard (2.0.0.45) 101232 C:\Windows\System32\winevt\Logs\
trufos.sys Trufos Kernel Module Bitdefender Antivirus (2.5.2.25.0f02702t) 611728 C:\Windows\ServiceProfiles\NetworkService\AppDa...
BdSentry.sys BullGuard Security Engine BullGuard (2.0.0.45) 122368 C:\Windows\System32\winevt\Logs\
BdSpy.sys BullGuard File Monitor BullGuard (4.4.0.148) 80504 C:\Windows\System32\winevt\Logs\

Other Files Related to trufos.sys

File Name Description Software Program (Version) File Size (bytes) File Location
setupact.log Log BullGuard Internet Security 2013 28282 C:\Windows\System32\Sysprep\Panther\
volsnap.PNF Precompiled INF BullGuard Internet Security 2013 5164 C:\Windows\inf\
diagerr.xml Extensible Markup Language BullGuard Internet Security 2013 44109 C:\Windows\Panther\UnattendGC\
BootPerformanceDiagnos... Binary Disk Image BullGuard Internet Security 2013 29392 C:\Windows\System32\wdi\
api-ms-win-core-consol... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 11624 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...


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