Go to the download section of Microsoft.com and do a search for "Eraser 97" which is a tool to remove all traces of Office 2000, i.e reg entries and program files.
Then remove and re-install and everyhting should be just hunky dory!
Huawei P10 review
1995-2015: How technology has changed the world in 20 years
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New iPad, iPhone SE & Red iPhone 7 on sale now
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.