Article ID: 969064 - View products that this article applies to.
After installing the latest Office 2008 for Mac update, every time that you start a Microsoft Office 2008 for Mac program, you experience one of the following symptoms:
This problem occurs if one of the following conditions is true:
To resolve this problem, you must remove the invalid product key, and then enter a valid product key for Office 2008 for Mac. To do this, use one of the following Methods below.
If you do not have valid product key, purchase a genuine copy of Office 2008 for Mac. To do this, visit the following Mactopia Web site:
Or, visit the following Microsoft Store "Office for Mac" Web site:
Method 1: Remove Office 2008 preferences
Method 2: Remove ReceiptsTo remove receipts, follow these steps:
If you have Mac OS X Snow Leopard (10.6) or Lion (10.7), continue with these steps:
Method 3: Restart the computer in safe modeFor information about how to enter safe mode in Mac OS, see the following Microsoft knowledge base article:
(https://support.microsoft.com/kb/2398596/[anySimpleType]/ )Perform a clean startup (safe boot) to determine whether background programs are interfering with Office for Mac
Method 4: Create a new Mac userFor information about how to create a new user account, see the following Microsoft knowledge base article:
(https://support.microsoft.com/kb/2439218/[anySimpleType]/ )Testing your user account to troubleshoot Office for Mac applications
For steps and instructions on how to obtain a new product key, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/2279109)Obtain a new product key for Office for Mac
Article ID: 969064 - Last Review: September 13, 2011 - Revision: 14.0