This is the usual problem. The system tends to be contaminated with more and more, often unused processes. Viruses also can take place; who knows?
You can download and use of of the registry clean-up utilities. Also, this is on of the applications which can help you to find out what application, services and other processes are loaded on start-up, and eliminated unwanted ones:
http://technet.microsoft.com/en-us/sysinternals/bb963902[
^].
This is a freeware application, one of the must-haves.
—SA
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