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Advapi32.dll Not Found: How to Fix It or Reinstall It

Perform a Windows Registry repair to restore the DLL file

4 min. read

Updated onOctober 4, 2023

updated onOctober 4, 2023

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Key notes

The Advapi32.dll file is a Windows core system file that belongs to the Microsoft Windows Operating System. This makes it a critical file as various programs depend on it to function properly. It may be missing for various reasons, such as virus infection and corruption.

A missing or damaged Advapi32.dll file can cause major problems with your computer, including the inability to start programs and apps, theinability to open required applications, and more. If you have encountered this error, keep reading to find a possible solution.

What is the Advapi32 dll file?

What is the Advapi32 dll file?

Advapi32.dll is a system file that belongs to the Microsoft Windows Operating System. This DLL file contains several important functions that are used by the operating system to handle security, user authentication, and other basic functions.

So, where is my Advapi32.dll? Most DLL files are usually located in the system folder. You can find it in:

Windows\system32 folder

If you can’t find the Advapi32 DLL file, it may be because of one or more of the following reasons:

How do I fix Advapi32.dll missing?

How do I fix Advapi32.dll missing?

A few preliminary checks include:

1. Run a virus scan

You can also run your third-party antivirus if the Windows Security feature misses anything.

2. Run the System File Checker command

3. Check for Windows updates

4. Repair Windows Registry

The most common reason for this error is that the Windows registry has become damaged. This can happen if you have recently installed new software or have made changes to the registry without backing it up first.

If you are experiencing problems with your computer, you should try to repair any issues with your registry using aregistry cleaner program. These programs help to fix problems with the registry so that it will be able to run properly again.

5. Run a Startup Repair

You can alsostart your PC in Safe Modeand check whether the error still appears. If all else fails, consider running aDLL fixer tool. This will scan your system and find out if there are any problems with your DLL files and then repair them accordingly.

Similarly, you may also come across theDsound.dll file missing, so don’t hesitate to check out our recommended solutions.

If you have any additional thoughts on this topic, please comment below.

More about the topics:DLL errors

Claire Moraa

Windows Software Expert

Claire has a knack for solving problems and improving the quality of life for those around her. She’s driven by rationality, curiosity, and simplicity, and always eager to learn more about Microsoft’s products. With a background in teaching and reviewing, she breaks down complex topics into easily understandable articles, focusing mostly on Windows 11, errors, and software.

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Claire Moraa

Windows Software Expert

With a background in teaching and reviewing, she breaks down complex topics into easily understandable articles, focusing mostly on Windows 11 errors.