What Causes the 1401 / 1402 / 1406 Error? Ms Office Installation

What Causes the 1401 / 1402 / 1406 Error?1

Error 1401: Setup cannot create Registry Key                                                                                                                                                                              

Error 1402: Setup cannot open Registry Key

Error 1406: Setup cannot write the value to the registry key

The 3 error messages that could appear due to this error are:
You may also experience this error if you attempt to run the Office software after installation:
Microsoft <<program>> has not been installed for the current user. Please run setup to install the application.

These various errors will arise due to the fact that the Office installation files do not have the required permissions to alter sensitive parts of the system, such as the registry or the C:\ drive. This will prevent the Office suite from installing, and probably lead to a number of other errors on your system as well. To fix this error, you will either have to set the correct permissions for every user, disable any third party software (such as anti virus) during the installation or you will need to fix the Office license which may be corrupted or you have a fault registry. These steps are detailed below.
Solution 1

The error 1406 means that your account has no permission to modify the registry key on your machine.
I suspect that you have found this:  http://support.microsoft.com/kb/838687.
You may do this:
1. Verify you have local administrator permission for your machine.
2. Install “Fix it” in Method 4.[ http://support.microsoft.com/mats/Program_Install_and_Uninstall/en-us]
3. Disable all of your local security programs, like AVG/firewall and then install Office in Windows Clean boot.
Windows 8 clean boot steps:
a) Press the ‘Windows + R’ key to open run box
b) Type ’MSCONFIG’ and click ‘Ok’.
c) Click the ‘Boot’ tab and uncheck ‘Safe Boot’ option.
d) On the ‘General’ tab, click to select the option ‘Selective startup’, and then click to clear the options.  Load startup items check box.
e) On the ‘Services’ tab, click to select the ‘Hide all Microsoft services’ check box, and then click‘Disable all’.
f) On the ‘StartUp’ tab, click ‘Open Task Manager’. In the Task Manager window under startup tab, right-click on each startup item which are enabled and select ‘Disable’.
g) Click ‘OK’, and then click Restart.


Solution 2

Step 1 – Set Permissions For Every User To Change Registry Keys
The registry is a very important and sensitive part of the system and to prevent any potential damage that could be caused to it by, the system prevents unauthorized users from accessing it. However, this could also be detrimental to the installation process, as it prevents the installer from adding vital registry keys to this part of your PC (leading to the error messages you’re seeing)
To fix this, you must allow every user the ability to change the registry keys. If you users you cannot trust with the registry, you can always revert back the settings at a later date. Follow these steps:

Log onto your computer with the administrator account

Start Windows Explorer

Click Tools > Folder Options

Click View

Under Hidden Files and Folders, click Show Hidden Files and Folders

Clear the Hide extensions for known file types box and then click OK

Open the following folder: C:\Documents and Settings\All Users\Application Data\Microsoft\Office\Data\

For Office 2003, right-click Opa11.dat and click properties. For Office XP, right-click Data.dat and click properties.

Click on Security >Advanced > Permissions

Click to select Everyone in the Permission entries list, and then click Edit

Click to select the Full Control check box.

You should now click OK three times to confirm the settings

This will allow all the users the ability to change the registry, so you can now install the Office suite without the 1401 / 1402 /1406 errors surfacing. However, this may not be the problem, so if it doesn’t carry on to the next step.
Step 2 – Disable Any Running Third-Party Software
If you are any software programs on your PC at the time of installation, it could prevent the setup of the Office in two ways: either it stops the installation due to security reasons or it could cause the Windows Installer program to become confused. Most installers will tell you to close down any open programs to enable the installer to work as well as possible. However, many people often ignore this, which could lead to the 1401 / 1402 or 1406 errors showing.
The first thing to do is to look to disable any firewalls or anti-virus that you have on your computer. Do not access the internet whilst you have these disabled as your security may be compromised. Then, if the Office suite will still not install, you should look at alternative programs, such as iTunes and similar software, to disable that temporarily. After you disable each program, you should try to install the Office suite again. If you successfully manage to install it, then you can enable the programs again.


I Have Tried In Windows 8.1 Using Clean Boot
Good luck.


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