the easy way to get rid of calling SKU011.CAB with out Download
1. click start menu -> run -> type regedit
2. open folder HKEY_LOCAL_MACHINE -> Software -> Microsoft -> Office -> 11.0 -> Delivery
3. choose 90000409-6000-11D3-8CFE-0150048383C9
then right click at CDCache, and choose Modify , next change the Value data to 0
try it it really work for me I have just got my exel back
If you don't want to complicate your life further, just insert the Installation CD for MS OFFICE when it asks you back for this file. Then press OK, everything will be done automatically and your MS OFFICE will be fully functional.