Error 1406 on AutoCAD CIVIL 3D 2012 Installation

Error 1406 on AutoCAD CIVIL 3D 2012 Installation

Take note on the keys included in the error message because it indicates the registry needs that needs to be modified correctly. To fix this, follow the steps below:

1. Click Start and then Run. Type regedit and click OK.

2. When the Registry Editor window appears, navigate to key included in the error message. It is normally under HKEY_LOCAL_MACHINE.

3. Right-click on the key folder and click Permissions on the shortcut menu.

4. Click Add under the Permissions box.

5. On the Select Users, Computers or Groups dialog box, type the username that you used when logging in to Windows and click OK. You can also use Everone user.

6. Tick the Full Control checkbox.

7. Click the Advanced option. 

8. Choose the Replace Permission Entries on All Child Objects option.

9. Click the Apply option and click OK.

10. Click OK to close the window and then run AutoCAD again.

In case you received another error, this indicates that there is another registry key affected. If this is the issue, you need to do the same procedures for the new registry key.

Error 1406 on AutoCAD CIVIL 3D 2012 Installation

Before installing Autodesk AutoCAD Civil 3D 2012, make sure your computer meets all the requirements to run the program. Autodesk AutoCAD Civil 3D 2012 supports Windows XP Professional Service Pack 3, Windows Vista (Enterprise, Business, or Ultimate edition) Service Pack 2, and Windows 7 (Enterprise, Ultimate, or Professional edition) both 32-bit and 64-bit.

It requires Intel Pentium 4 or faster processor with SSE2 support, 1 GB RAM for 32-bit and 4 GB RAM for 64-bit, 12 GB free had drive space, 1280 x 1024 True Color screen resolution, and DVD drive. Since you are using Microsoft Windows XP and it is supported by the program, make sure you are using Service Pack 3.

If you haven’t upgraded yet to this Service Pack, download Windows XP Service Pack 3 and upgrade your operating system. This is the latest and last Service Pack update for Microsoft Windows XP. Once you have upgraded, try installing AutoCAD again then see if it works. If this doesn’t fix it, try running the installer as administrator.

Right-click on the AutoCAD installer then point to “Run as” then select “Administrator”. This should allow you to run the installer with full permission.