1. What is the exact error message you get when trying to install Microsoft Office suite?
2. What is the Operating System on your computer?
3. Is Windows 32bit or 64bit Operating System if it is Windows Vista or Windows 7?
4. What is the article you have referred to the run the
FIX IT?
5. Provide us the steps you have tried in order to install Microsoft Office.
Check if you have multiple versions or any earlier version of Microsoft Office installed.
For Win XP:
1. Click on Start -> Control Panel.
2. Add or Remove programs
For Win Vista/7:
1. Click on start -> Control Panel
2. Programs -> Programs & features.
Uninstall any trial version/earlier version of Office from the computer and restart the computer to install Microsoft Office.
If there is no trial/earlier version of Office, run the FIX IT from the below article and check if it helps:
http://support.microsoft.com/kb/927153