Open Windows\Downloaded Program Files. For ease of reading, set the View
to Details. Do you have an entry there named "Office Update Installation
Engine"? If so, right-click it and select Remove.
Next open IE and put this in the Address line:
http://office.microsoft.com/officeupdate/content/opuc.cab You will be
prompted about the file, save it in C:\Temp (it is 142KB). When the
download is complete, use Windows Explorer to open C:\Temp; open the
OPUC.CAB file and extract the contents to C:\Temp. Then right-click the
OPUC.INF file and select Install.
Last, temporarily turn off your AV real-time scanning, and turn off any
download accelerators or assistance programs you have installed.
Now browse to the Office Update site
(
http://office.microsoft.com/en-us/officeupdate/default.aspx) and give it
another try. Anything?