Older versions of Microsoft Office do not run on client computers that have an Office 2003 application installed.
Platí pro: Windows SBS 2003
Cause: Older versions of Office conflict with Office 2003.
Solution: To run older versions of Office, you must uninstall all versions of Office on the client computer, and then reinstall the version you want to use.
To uninstall older versions of Office from the client computer
Click Start, and then click Control Panel.
Click Add or Remove Programs, click each version of Office installed on the client computer, and then click Remove.
After uninstalling all versions of Office, reinstall the version that you want to use on the client computer.