How To Deal With Avgssie.dll Error During AVG 8.5 Installation

What is Avgssie.dll?

The avgssie.dll file belongs to AVG Internet Security software. It is a Browser Helper Object (BHO) that runs automatically when you start your web browser.

The known file sizes of this file are 455,960 and 419,906 bytes.

Avgssie.dll Error

The following error message is known to occur when you try to install AVG 8.5 on a computer that already has AVG 7.5 installed on it.

“Action failed for file avgssie.dll: file registration
Error 0x80070002”

Cause of the Error

This error usually occurs when the new version, AVG 8.5 is unable to install over the old version, AVG 7.5.


To fix this avgssie.dll error, you must first completely uninstall AVG 7.5 from your computer and then install AVG 8.5.

Windows PCs come with a free, built-in Add or Remove Programs utility that allows users to successfully uninstall programs from their system. You can start this utility from the Control Panel.

However, when it comes to removing antivirus programs, Add or Remove Programs has often found to be lacking. Antivirus software, such as AVG 7.5 place their files deep into your computer and all its files are not removed when you uninstall it using Add or Remove Programs.

Leftovers of an old antivirus program can cause errors on your PC and also prevent your new antivirus program from functioning to its full potential.

Most companies that manufacture antivirus programs also create uninstaller programs for their products. For instance, if you are facing problems, you may download and use the AVG Remover tool to completely uninstall AVG 7.5 from your computer. Alternatively, you may also use a reliable third-party uninstaller tool, such as Perfect Uninstaller for this purpose.

Steps to Uninstall AVG 7.5 Using AVG Tool

Perform the following steps to completely get rid of AVG 7.5:

Note: Before you proceed with the steps given below, ensure that you are logged in to your PC with Administrative rights. Also, ensure that all protection software, such as parental control software or antispyware programs are disabled on the system.

  1. Download AVG Remover and save the exe file on your desktop.
  2. Double-click the file to execute it.
  3. Follow the screen instructions to complete the removal process.
  4. Restart your PC.
  5. Go to Start > All Programs > Accessories > Windows Explorer.
  6. Depending on your Windows operating system, locate and delete the following files:
  7. C:\Program Files\Grisoft
    C:\Documents and settings\All users\Application data\Grisoft
    C:\Documents and settings\All users\Application data\AVG7
    C:\Documents and settings\<user>\Application data\AVG7
    C:\ProgramData\Grisoft or AVG7

These steps ensure complete removal of AVG 7.5 from the computer.

After AVG 7.5 is completely uninstalled, you should be able to safely install AVG 8.5 on your PC.

Ensure that all your other protection software remains disabled during the installation process, as well. Furthermore, when installing AVG 8.5 or any other antivirus tool, close all internet browser windows and email client. Antivirus tools, at times need to make changes to settings of your internet browser and email client and if they are open these changes cannot be performed and may cause errors to pop-up.

In the end, follow the above guidelines and you should not have any problem in installing AVG 8.5 on your PC. However, in case you do not find the installation process of AVG user-friendly or find this tool does not meet your expectation, you may choose to switch to more user-friendly, hassle-free and robust security tools, such as STOPzilla Antivirus and Spyware Cease.