How to Download AuthSSP.dll and Fix DLL Error Messages

Last Updated: 11/27/2023
[Average Article Time to Read: 4.7 minutes]

authSSP.dll uses the DLL file extension, which is more specifically known as a MS-Logon II for UltraVNC file. It is classified as a Win32 DLL (Dynamic link library) file, created for UltraVNC authSSP by Open Source.

The first version of authSSP.dll for UltraVNC 1.2.2.4 was seen on 04/11/2019 in Windows 10. This file marks the latest update from Open Source, according to our records.

This article discusses complete file details, DLL file troubleshooting instructions for problems with authSSP.dll, and a comprehensive set of free downloads for every file version that has been catalogued by our team.

File Analysis Provided by Jason Geater (Author)


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File Overview


General Information
File Name: authSSP.dll
File Extension: DLL file extension
Description: MS-Logon II for UltraVNC
Object File Type: Dynamic link library
Comments: Cross-domain Windows authentication for UltraVNC
File Operating System: Windows NT 32-bit
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Developer: UltraVNC
Software Program: UltraVNC authSSP
Legal Copyright: Copyright © 2002-2005 UltraVNC team members
File Details
Character Set: Unicode
Language Code: Neutral
File Flags: (none)
File Flags Mask: 0x003f
Entry Point: 0x4a2d
Code Size: 142848


What are authSSP.dll Error Messages?


Dynamic Link Library authSSP.dll Errors

authSSP.dll is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like authSSP.dll, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like MpSigStub.exe - to follow. These files were created so that multiple programs (eg. UltraVNC) could share the same authSSP.dll file, saving valuable memory allocation, therefore making your computer run more efficiently.

Unfortunately, what makes DLL files so convenient and efficient, also makes them extremely vulnerable to problems. If something happens to a shared DLL file, either it goes missing or gets corrupted in some way, it can generate a "runtime" error message. Runtime is pretty self-explanatory; it means that these errors are triggered when authSSP.dll is attempted to be loaded either when UltraVNC is starting up, or in some cases already running. Some of the most common authSSP.dll errors include:

Your authSSP.dll file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with UltraVNC), or deleted by a malware infection. Furthermore, authSSP.dll file corruption could be caused from a power outage when loading UltraVNC, system crash while loading authSSP.dll, bad sectors on your storage media (usually your primary hard drive), or quite commonly, a malware infection. Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.



How to Fix authSSP.dll 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 authSSP.dll 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 authSSP.dll error, please proceed to the Step 2 below.

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

You can uninstall UltraVNC 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 UltraVNC 1.2.2.4 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall UltraVNC software.

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

UltraVNC 1.2.2.4

Open Source

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 authSSP.dll 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 authSSP.dll error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.



If Those Steps Fail: Download and Replace Your authSSP.dll 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 authSSP.dll file version. We maintain a comprehensive database of 100% malware-free authSSP.dll files for every applicable version of UltraVNC. 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 authSSP.dll Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate UltraVNC folder location:
    Windows 10: C:\Program Files (x86)\uvnc bvba\UltraVNC\
  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 authSSP.dll 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.



Download authSSP.dll Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying authSSP.dll to your appropriate Windows system directory. Open Source typically does not release UltraVNC DLL 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 authSSP.dll and all other DLL files for UltraVNC. An incorrectly installed DLL file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10


Files Related to authSSP.dll


DLL Files Related to authSSP.dll

File Name Description Software Program (Version) File Size (bytes) File Location
workgrpdomnt4.dll MS-Logon I for UltraVNC UltraVNC workgrpdomnt4 (1.0.90.0) 123696 C:\Windows\inf\
System.Management.ni.dll Dynamic Link Library UltraVNC 1.2.2.4 1482752 C:\Program Files (x86)\Common Files\microsoft s...
FileSyncSessions.dll P2P Session Library Microsoft OneDrive (19.222.1110.0006) 1958760 C:\Users\Tester\AppData\Local\Microsoft\Windows\
FileSync.Resources.dll Microsoft OneDrive Microsoft OneDrive (19.222.1110.0006) 2312552 C:\Users\Tester\AppData\Local\Microsoft\Windows\
Qt5Gui.dll C++ Application Development Framework Qt5 (5.11.1.0) 5188968 C:\Users\Tester\AppData\Local\Microsoft\Windows\

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File Name Description Software Program (Version) File Size (bytes) File Location
CBS.log Log vanBasco's Karaoke Player 2.53 971509 C:\Windows\Logs\CBS\
CBS.log Log XviD 1.3.5 890556 C:\Windows\Logs\CBS\
CBS.log Log IrfanView 4.53 9398745 C:\Windows\Logs\CBS\
CBS.log Log HammerHead Rhythm Station 1 888726 C:\Windows\Logs\CBS\
CBS.log Log MAME 0.211b 1153002 C:\Windows\Logs\CBS\


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