Download, Fix, and Update Ndisapi.dll

Last Updated: 11/30/2024
[Time Required for Reading: 3.5 minutes]

ndisapi files such as ndisapi.dll utilize the DLL file extension. This file is considered a Win32 DLL (Dynamic link library) file, and was first created by TRUE Software for the Windows Packet Filter Kit software package.

The first release in the Windows 10 Operating System for ndisapi.dll was on 12/15/2019 inside MyPublicWiFi 20. This file marks the latest update from TRUE Software, according to our records.

This article discusses complete file details, DLL file troubleshooting instructions for problems with ndisapi.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: ndisapi.dll
File Extension: DLL file extension
Description: ndisapi
Object File Type: Dynamic link library
Comments: NDISRD IOCTL wrapper DLL
File Operating System: Windows NT 32-bit
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Developer: NT Kernel Resources
Software Program: Windows Packet Filter Kit
Legal Copyright: Copyright © NT Kernel Resources 2000-2013
File Details
Character Set: Unicode
Language Code: Neutral
File Flags: (none)
File Flags Mask: 0x003f
Entry Point: 0x3a47
Code Size: 28672


What are ndisapi.dll Error Messages?


Dynamic Link Library ndisapi.dll Errors

ndisapi.dll is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like ndisapi.dll, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like FileCoAuth.exe - to follow. These files were created so that multiple programs (eg. MyPublicWiFi) could share the same ndisapi.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 ndisapi.dll is attempted to be loaded either when MyPublicWiFi is starting up, or in some cases already running. Some of the most common ndisapi.dll errors include:

Your ndisapi.dll file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with MyPublicWiFi), or deleted by a malware infection. Furthermore, ndisapi.dll file corruption could be caused from a power outage when loading MyPublicWiFi, system crash while loading ndisapi.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 ndisapi.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 ndisapi.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 ndisapi.dll error, please proceed to the Step 2 below.

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

You can uninstall MyPublicWiFi 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 MyPublicWiFi 20 and click "Uninstall"
  5. Follow the prompts for uninstallation.

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

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

MyPublicWiFi 20

TRUE Software

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 ndisapi.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 ndisapi.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 ndisapi.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 ndisapi.dll file version. We maintain a comprehensive database of 100% malware-free ndisapi.dll files for every applicable version of MyPublicWiFi. 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 ndisapi.dll Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate MyPublicWiFi folder location:
    Windows 10: C:\Program Files (x86)\MyPublicWiFi\
  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 ndisapi.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 ndisapi.dll Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying ndisapi.dll to your appropriate Windows system directory. TRUE Software typically does not release MyPublicWiFi 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 ndisapi.dll and all other DLL files for MyPublicWiFi. 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


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Qt5QuickTemplates2.dll C++ Application Development Framework Qt5 (5.11.1.0) 784952 C:\Users\Tester\AppData\Local\Microsoft\Windows\

Other Files Related to ndisapi.dll

File Name Description Software Program (Version) File Size (bytes) File Location
CBS.log Log MyPublicWiFi 20 975975 C:\Windows\Logs\CBS\
setupact.log Log MyPublicWiFi 20 182753 C:\Windows\Logs\DPX\
WmiApRpl.ini Windows Initialization MyPublicWiFi 20 29736 C:\Windows\inf\WmiApRpl\0009\
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PerfStringBackup.INI Windows Initialization MyPublicWiFi 20 1321920 C:\Windows\System32\


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