First, confirm that you cannot uninstall the 2007 Microsoft Office system by Add or Remove Programs feature. To confirm that you cannot uninstall the 2007 Microsoft Office system by use of Add or Remove Programs (or Programs and Features in Windows Vista), follow these steps.

For Windows XP or Windows Server 2003:

Click Start, click Run, and type control appwiz.cpl in the Open box and after that press ENTER.

Click to choose the 2007 Office system product from the request list, and afterward click on Remove.

For Windows Vista:

Click Start, type programs and features in the Search box, and after that press ENTER.

Click to choose the product to be uninstalled from the record of installed products, and afterward click Uninstall/Change from the bar that displays the obtainable tasks.

If you were capable to uninstall the 2007 Microsoft Office system by means of Add or Remove Programs, you are ended. If you were not capable to uninstall the 2007 Microsoft Office system, you might have issues with the Add or Remove Programs dialog box, or some 2007 Microsoft Office components can not be uninstalled. In these cases, you might be not capable to reinstall the 2007 Microsoft Office system. Go to the after that section to uninstall the 2007 Microsoft Office system by using a substitute way.