How to Fix NTPort Library Driver Service Failed to Start Error
If you are getting an error message saying that NTPort Library Driver Service failed to start on your Windows computer, you may be wondering what it is and how to fix it. In this article, we will explain what NTPort Library is, what causes the error, and how to troubleshoot it.
ntport library driver service failed start
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What is NTPort Library?
NTPort Library is a software that allows your Win32 application to access PC I/O ports directly without using the Windows Drivers Development Kit (DDK). It supports Windows 95/98/ME and Windows NT/2000/XP/Server 2003/Vista. It is developed by Zeal SoftStudio and can be downloaded from their website: http://www.zealsoftstudio.com/ntport/
NTPort Library can be used for various purposes, such as controlling hardware devices, testing hardware, debugging software, etc. However, it is not a part of Windows and is not used by normal software. It is usually installed by some third-party software that requires direct access to I/O ports.
What causes the NTPort Library Driver Service Failed to Start Error?
The NTPort Library Driver Service Failed to Start Error can occur due to various reasons, such as:
The NTPort Library driver file (ntport.sys) is missing, corrupted, or incompatible with your Windows version.
The NTPort Library driver service is disabled, misconfigured, or blocked by some security software.
The NTPort Library driver service conflicts with some other driver or service on your system.
The NTPort Library driver service is not needed by any software on your system and can be safely removed.
How to troubleshoot the NTPort Library Driver Service Failed to Start Error?
To troubleshoot the NTPort Library Driver Service Failed to Start Error, you can try the following methods:
Method 1: Check the NTPort Library driver file
The first thing you should do is to check if the NTPort Library driver file (ntport.sys) exists on your system and if it is compatible with your Windows version. To do this, follow these steps:
Open File Explorer and navigate to C:\\\\Windows\\\\System32\\\\drivers.
Look for a file named ntport.sys and right-click on it.
Select Properties and go to the Details tab.
Check the File version and Product version fields and compare them with the latest version available on the Zeal SoftStudio website: http://www.zealsoftstudio.com/ntport/download.htm
If the file is missing, corrupted, or outdated, you can download the latest version from the website and replace it in the same folder.
Restart your computer and see if the error is resolved.
Method 2: Check the NTPort Library driver service
The next thing you should do is to check if the NTPort Library driver service is enabled, configured, and allowed to run on your system. To do this, follow these steps:
Press Windows + R keys to open the Run dialog box.
Type services.msc and click OK to open the Services window.
Look for a service named NTPort Library Driver and double-click on it.
In the General tab, check the Startup type and Service status fields.
If the Startup type is Disabled, change it to Automatic or Manual.
If the Service status is Stopped, click Start to start the service.
Click OK to save the changes and close the window.
Restart your computer and see if the error is resolved.
Method 3: Check for conflicts with other drivers or services
Sometimes, the NTPort Library driver service may fail to start because of conflicts with other drivers or services on your system. To check for conflicts, you can use the Event Viewer or the Device Manager. To use the Event Viewer, follow these steps:
Press Windows + R keys to open the Run dialog box.
Type eventvwr.msc and click OK to open the Event Viewer window.
In the left pane, expand Windows Logs and click System.
In the right pane, look for any error or warning events related to NTPort Library driver service or any other driver or service that may cause a conflict.
Double-click on each event to view its details and possible solutions.
Follow the instructions in the event details to resolve the conflict or contact the driver or service provider for support.
To use the Device Manager, follow these steps:
Press Windows + X keys and select Device Manager from the menu.
In the Device Manager window, look for any devices that have a yellow exclamation mark or a red cross next to them. These indicate that there is a problem with the device or its driver.
Right-click on each problematic device and select Properties.
In the General tab, check the Device status field for any error codes or messages.
In the Driver tab, check the Driver Provider, Driver Date, and Driver Version fields for any outdated or incompatible drivers.
Click Update Driver to update the driver or Uninstall Device to uninstall the device and its driver.
Restart your computer and see if the error is resolved.
Method 4: Check if you need the NTPort Library driver service
Finally, you should check if you actually need the NTPort Library driver service on your system. As mentioned earlier, NTPort Library is not a part of Windows and is not used by normal software. It is only installed by some third-party software that requires direct access to I/O ports. If you are not using such software, you can safely remove the NTPort Library driver service from your system. To do this, follow these steps:
Press Windows + R keys to open the Run dialog box.
Type appwiz.cpl and click OK to open the Programs and Features window.
Look for any software that may have installed NTPort Library on your system. Some examples are: Zeal SoftStudio products, hardware testing or debugging tools, old BASIC programs, etc.
Select the software and click Uninstall to remove it from your system.
Restart your computer and see if the error is resolved.
If you are not sure what software installed NTPort Library on your system, you can use a tool like Autoruns to find out. Autoruns is a free utility that shows you what programs are configured to run during system bootup or login. You can download it from here: https://docs.microsoft.com/en-us/sysinternals/downloads/autoruns
To use Autoruns, follow these steps:
Download and extract Autoruns.zip to a folder on your system.
Run Autoruns.exe as administrator.
Click the Services tab and look for any entries related to NTPort Library driver service. You can use the Find option to search for ntport or zeal.
Right-click on each entry and select Jump to Entry to open its location in the Registry Editor.
Check the ImagePath value to see what software installed NTPort Library on your system.
Close Autoruns and the Registry Editor.
Uninstall the software that installed NTPort Library on your system using the Programs and Features window.
Restart your computer and see if the error is resolved.
Method 5: Check for malware infection
Another possible cause of the NTPort Library driver service failed to start error is malware infection. Some malware may disguise themselves as NTPort Library driver or service, or may interfere with its operation. To check for malware infection, you should scan your system with a reputable antivirus or anti-malware program. You can use the built-in Windows Defender or any other third-party program that you trust. To scan your system with Windows Defender, follow these steps:
Press Windows + I keys to open the Settings app.
Click Update & Security and then click Windows Security.
Click Virus & threat protection and then click Scan options.
Select Full scan and then click Scan now.
Wait for the scan to complete and follow the instructions to remove any detected threats.
Restart your computer and see if the error is resolved.
Method 6: Contact Zeal SoftStudio for support
If none of the above methods work, you may need to contact Zeal SoftStudio, the developer of NTPort Library, for further assistance. They may be able to provide you with more information or solutions for the NTPort Library driver service failed to start error. You can contact them through their website: http://www.zealsoftstudio.com/contact.htm
On their website, you can find their email address, phone number, fax number, and postal address. You can also fill out an online form to send them a message. You should provide them with as much details as possible about your system and the error you are facing. You should also attach any screenshots or logs that may help them diagnose the problem.
Zeal SoftStudio claims to provide free technical support for their products within 24 hours. However, they may not respond to inquiries that are not related to their products or that are rude or abusive. They may also charge a fee for some services or products that are not covered by their license agreement.
Method 7: Reinstall Windows
If all else fails, you may have to reinstall Windows to fix the NTPort Library driver service failed to start error. This is a last resort option that should only be used if you have tried everything else and nothing worked. Reinstalling Windows will erase all your data and settings on your system drive, so you should backup your important files and documents before proceeding. You should also make sure that you have a valid Windows product key and a bootable installation media.
To reinstall Windows, follow these steps:
Insert the Windows installation media into your computer and restart it.
Press any key to boot from the media when prompted.
Select your language, time, currency, and keyboard preferences and click Next.
Click Install now and enter your Windows product key when prompted.
Accept the license terms and click Next.
Choose Custom: Install Windows only (advanced) as the installation type.
Select the drive where you want to install Windows and click Next.
Wait for the installation to complete and follow the on-screen instructions to set up your Windows.
Conclusion
In this article, we have discussed how to fix the NTPort Library driver service failed to start error on Windows. We have explained what NTPort Library is, what causes the error, and how to troubleshoot it using various methods. We have also provided some alternatives and contact information for Zeal SoftStudio, the developer of NTPort Library. We hope that this article has helped you resolve the error and enjoy using NTPort Library on your system. d282676c82
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