Na netu je spousta řešení, namátkou
http://social.technet.microsoft.com/Forums/en/offi cevolact/thread/f3ee0525-ff90-4a4a-b1a7-df91cb71e4 14.
try using better, free software that does NOT require you to go through copy protection, like Open Office (THIS IS NOT AN AD, I AM NOT AFFILIATED WITH THEM).
Microsoft is getting on my nerves, lol!