Writing an Excel file

I'm tring to write a data to an excel file by writing this code:

Dim wbWorld As Excel.Workbook
Set wbWorld = CreateObject("Excel.sheet")
.
.
.
.
at the second row i got this error:
"The remote server machine does not exist or is unavailable".
I must say that this code was o.k.
I realy do'nt know what cause this error to appear suddenly.
Please help me....
Thank revital
:confused:

ya know, alot of times ppl get in trouble for posting off-topic posts in General QA. I wonder if we should report this to an administrator for askin serious questions in chitchat. :p

dont know why it doesnt work. it works fine for me.