解決方法一：將Windows安裝光碟中i386目錄下的FP40EXT.CAB檔案解壓，複製到”C:\Program Files\Common Files\Microsoft Shared\web server extensions\40\bin”，再安裝office2007就沒有錯誤了

解決方法二：Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSIServer]

"ImagePath"=-

"ImagePath"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,\

74,00,25,00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,6d,\

00,73,00,69,00,65,00,78,00,65,00,63,00,2e,00,65,00,78,00,65,00,20,00,2f,00,\

把上面的那些複製到文本里面，儲存後將名字改為windows installer.reg。 開啟，然後重新啟機，按開始-執行-cmd-確定。