Error message "Install Failed" when you try to install Office for Mac

Article translations Article translations
Article ID: 948055 - View products that this article applies to.
Expand all | Collapse all

On This Page

SYMPTOMS

When you try to install Microsoft Office for Mac suite on a Macintosh computer, the installation fails and you receive an error: 

Installed failed
or

The installation failed. The Installer encountered an error that caused the installation to fail. Contact the software manufacturer for assistance.

If you are running the latest version of operating system, see "ISSUE 1" section in this article to resolve the issue. If you are running Mac OS X 10.5 version (Leopard), see "Issue 2" section in this article. To determine what OS version you are running, view the following Apple web site: 

http://www.apple.com/support/mobileme/en/os_version.html

WORKAROUND

You may find it easier to follow the steps if you print this article first.

ISSUE 1: Troubleshoot the problem


Step 1: Try installing in Safe Mode Boot 

When you start your Operating System (OS) using a normal startup, several applications and services start automatically, and then run in the background. These programs include basic system processes, antivirus software, system utility applications, and other software that has been previously installed. These applications and services can cause interference when you install or run Office for Mac.

Prerequisites Check

The following requirements before you follow any of the methods in this article. 
Collapse this tableExpand this table
You must be logged on as an administrator or as a member of the Administrators group to perform the methods discussed in this article. If this is your personal computer, you are likely already logged on with an administrator account. If this is a computer that is part of a network at work, you might have to ask the system administrator for help.

To find out if the problem is related to background programs or services, exist to Safe Mode and then install Office 2008. To exist to Safe Mode, follow these steps:
Collapse this tableExpand this table
1. Shut down the computer. Click Apple icon and then choose Shut Down ...
2. Start your compuer by pressing the power button. 
3. Immediately after you hear the startup tone, press and hold the SHIFT key.

Note The SHIFT key should be held as soon as possible after you hear the startup tone. However, do not press the SHIFT key before you hear the startup tone.
4. Release the SHIFT key when you see the gray Apple and progress indicator on the screen. The progress indicator looks similar to a spinning gear. This might take a while (up to 2 minutes) so dont reboot again. During startup, you will see " Safe Boot " on the login window, which appears even if you normally log in automatically:
Collapse this tableExpand this table
After the computer starts, try to start the Office setup to determine whether the problem is resolved.  
If the problem does not occur after you restart, the interference is occurring because of a background program or service.
If the problem returns after you perform a clean startup, the interference is not occurring because of a background program or service. In this case, this article cannot resolve your problem. Reboot your computer to return to normal startup.

If the issue continues to occur, proceed to the next step.

Step 2: Create new user profile 


Creating a new user will help determine whether the error is limited to just the user or is system wide. To do this, follow these steps:

NoteIf the product installs on a new user account, contact Apple Support to troubleshoot your existing account. If you do not wish to keep your existing account, you can rename your Test account.
Collapse this tableExpand this table
1. Click the Apple icon then click System Preferences.
Collapse this imageExpand this image
x
2. Click Accounts
Collapse this imageExpand this image
x
3. Click the Plus sign [+] in the lower left corner to open the new account window. Note If you are not the Administrator of the computer, to be able to add an account, click Click the lock to make changes. Login using your Administrator user name and password and then click OK.

Collapse this imageExpand this image
x
4. Enter the word Test for the user name and leave the password box blank. Click Create Account. When you receive a warning, click OK
Collapse this imageExpand this image
x
5. Click to checkmark Allow User to Administer this computer (If you do not have this check mark, proceed to next step).  
Collapse this imageExpand this image
x
6. Click the Apple icon then click Logout out <Account name> of your original account. 
Collapse this imageExpand this image
x
7. Login with your Test account.  Try installing Office on your Test account. 

If the issue continues to occur, proceed to the next step.

Step 3: Disableantivirus programs 

Warning: This workaround may make your computer or your network more vulnerable to attack by malicious users or by malicious software such as viruses. We do not recommend this workaround, but are providing this information so that you can implement this workaround at your own discretion. Use this workaround at your own risk.

To determine whether the problem is occurring because of antivirus software, temporarily disable your antivirus. Contact the program manufacturer to help you disable the program.

If disabling the antivirus program resolves the issue, contact the antivurs software manufacturer for instructions about how to configure your antivirus to work with Office.

ISSUE 2: Mac OS X 10.5 and Languages 

Note: Do not perform these steps if you have the latest version of OS installed.

This issue occurs when the following conditions are true:  

  • The Macintosh computer is running MacOS X 10.5 (Leopard)
  • The Languages setting for the International System preference is set to one of the following languages: Traditional Chinese, Simplified Chinese, Korean, Tibetan .

Perform a custom installation

To work around this issue, perform a custom installation of Office for Mac. Do not select the option to install the Norwegian proofing tools. To do this, follow these steps:
  1. Insert the Office 2008 for Mac installation DVD in the DVD drive.
  2. On the desktop, open the Office 2008 icon.
  3. Double-click the Office Installer icon.
  4. Click Customize.
  5. In the installation choices tree, expand Microsoft Office 2008.
  6. Expand Proofing Tools.
  7. Click to clear the Norwegian check box.
  8. Click Install, and then follow the instructions that appear on the screen to complete the installation.

Change the language preferences

To work around this issue, change the computer's language preferences. To do this, follow these steps:
  1. On the Apple menu, click System Preferences.
  2. In the System Preferences window, under Personal, click International.
  3. In the Languages list, select a language other than the four languages that are listed in the "Cause" section. To do this, follow these steps:
    1. Click Edit List.
    2. Select the language check box that you want to switch to.
    3. Click OK.
    4. Select the new language, and then drag it to the top of the list.
  4. Close the International window.
  5. On the Apple menu, click Log Out Username, and then click Log Out.
  6. Log on to the computer by using the same account.
  7. Insert the Office 2008 for Mac installation DVD into the DVD drive.
  8. On the desktop, open the Office 2008 icon.
  9. Double-click the Office Installer icon, and then install Office 2008 for Mac.
  10. After Office 2008 for Mac is installed, click System Preferences on the Apple menu.
  11. In the System Preferences window, under Personal, click International.
  12. In the Languages list, select the original language and drag it to the top of the list.
  13. Close the International window.
  14. On the Apple menu, click Log Out Username, and then click Log Out.
  15. Log on to the computer by using the same account.

MORE INFORMATION

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

Properties

Article ID: 948055 - Last Review: October 28, 2010 - Revision: 6.0
APPLIES TO
  • Microsoft Office 2008 for Mac
  • Microsoft Office 2008 for Mac Home and Student Edition
  • Microsoft Office 2008 for Mac Special Media Edition
  • Microsoft Office for Mac Home and Business 2011
  • Microsoft Office for Mac Home and Student 2011
Keywords: 
dftsdahomeportal kbprb kbinstallation kbsetup KB948055

Give Feedback

 

Contact us for more help

Contact us for more help
Connect with Answer Desk for expert help.
Get more support from smallbusiness.support.microsoft.com