This is one site to visit for info
http://www.tweakvista.com/article38662.aspx
If you type "services vista disable" into you web browser search (I use
Google) various sight will be shown select and browse and see which answers
you question the best. Some sights will give a detailed description of what
actions each service performs.
Naturally you do not disable any security, such as your anti virus or
firewall, etc.
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Regards
Bob J
If advise given from anyone, solves problem or not, or if solved from
another source,post back & let us know.
Then we all benefit.