hi in this software section ricky has already described it how to do it from within your computer but that consumes a lot of time so i prefer using free software utility to do the same.
Glary utilities can do the same for free..
screenshots
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start up manager allows you to edit your startup enries it also gives you description about the softwares that are enabled also you can visit the website to see the comments about that particular software from different users.You can give your own comments.
memory optimizer-it saves your memory and helps to free up memory so that your computer works faster
context menu manager- it allows you to customise items to be displayed when you right click with your mouse on desktop menu.
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enjoy
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