All About dnsapi.dll

All About dnsapi.dll

DNSAPI.dll is a critical file in the Windows operating system that helps to manage Domain Name System (DNS) settings. As the backbone of the internet, DNS enables users to access websites and other online services by translating domain names into IP addresses. However, not many users are familiar with DNSAPI.dll and its importance in maintaining a stable and secure internet connection. In this article, we will delve into all the essential information about DNSAPI.dll, including its functions, common issues, and how to troubleshoot them. By the end of this article, you will have a better understanding of this key system file and how it plays a crucial role in your online browsing experience.

What is dnsapi.dll and how to Remove it?

What is dnsapi.dll and how to Remove it?

I also share tips and tricks for troubleshooting technology issues. Today, we will be discussing about DNSAPI.dll and how to remove it.

DNSAPI.dll is a Dynamic Link Library file that is responsible for handling the Domain Name System (DNS) service on Windows operating systems. It is a Windows System file and should not be removed or altered in any way. However, there are instances where a virus or malware might disguise itself as the DNSAPI.dll file and cause various issues on your computer.

Symptoms of a corrupted or infected DNSAPI.dll file may include:

– Frequent system crashes
– Slow computer performance
– Blue screen errors
– Program failures
– Pop-up ads
– Browser redirects
– Other strange behaviors

If you suspect that your DNSAPI.dll file is infected, here are some steps you can take to remove it:

1. Run a full system scan with an antivirus or anti-malware software.
The first step to removing the infected DNSAPI.dll file is to run a full system scan with an antivirus or anti-malware software. This will help identify any viruses or malware on your computer and remove them.

2. Use System File Checker (SFC) tool.
System File Checker is a built-in Windows utility that checks for corrupted or missing system files and replaces them with a cached copy. To run the SFC tool, follow these steps:

– Open the Command Prompt as an administrator.
– Type in the command “sfc /scannow” and press Enter.
– The SFC tool will now scan your system for any corrupted system files and replace them if needed.

3. Perform a System Restore.
If you recently installed a program or made changes to your computer and suspect that it may have caused the DNSAPI.dll file to become corrupted, you can perform a System Restore to revert your computer back to a previous state where the file was not infected.

4. Manually replace the file.
In some cases, the DNSAPI.dll file may be contained in a Windows update or a service pack. You can search for the file on your computer and manually replace it. However, be cautious when manually replacing system files as it can cause further issues if not done correctly.

In addition to these steps, it is important to regularly update your operating system and run regular scans with your antivirus or anti-malware software to prevent future infections.

Overall, the DNSAPI.dll file is an important system file that should not be removed or altered. However, if it is infected, it is important to take immediate action to remove the infection. If you are unsure or uncomfortable performing these steps on your own, it is best to seek professional help from a computer technician.


In conclusion, dnsapi.dll is a crucial component of the Domain Name System (DNS) in Windows operating systems. It serves as the link between the user’s computer and the domain name of a website, facilitating the translation of human-readable domain names to numerical IP addresses. This dynamic-link library file also plays a significant role in the proper functioning of various online activities, such as web browsing, email communication, and online transactions. However, due to its critical role, it can also be susceptible to errors and malware attacks. It is essential to regularly update and maintain this file to ensure the smooth functioning of your system. Overall, understanding the importance of dnsapi.dll can help users troubleshoot and prevent potential issues, ultimately enhancing their online experience.

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