>> No, I still don't know whats being written.
>> I have tried to isolate it, and checked several folders, but can't
find the path.
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I don't do much on Windows, but when I needed to associate files and
processes this utility
from sysinternals helped me in the past.
Process Monitor
http://technet.microsoft.com/en-us/sysinternals/bb896645.aspx
this is also good to have:
Process Explorer
http://technet.microsoft.com/en-us/sysinternals/bb896653.aspx
Hope it helps.
Michael.