Cause

If error 30810001 occurs when installing V3, it may be caused by a previously installed V3 product not being removed properly.

Solution

1. Open the Run dialog box from the Start menu, type control, and click OK.

2. When Control Panel opens, go to [Uninstall a program] or [Programs and Features].

3. Select and uninstall the previously installed V3 product (for example, AhnLab V3 Internet Security 9.0).

4. If a message appears stating that the program has already been removed and asks whether you want to remove it from the list, click Yes

5. Run the installation file again to install V3.

If the issue persists

If the issue persists after following the steps above, collect an AhnReport using the guide below and submit an inquiry.

Our support team will review the remaining product information on the affected PC and provide further assistance.

• [LOG] AhnReport Collection - Report Product Error