use an uninstaller like Perfect Uninstaller. It does a very good
job of uninstalling and cleaning up the files of uninstalled
programs (not the data).
Ccleaner has an uninstaller but it isn't as good as Perfect
Uninstaller......I have used both.
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"Uninstaller", which is available in the Market, is a great
uninstaller.
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Go to find the pbxnsip uninstaller came with it, programs often
has a built-in uninstaller when they has an installer. So use a
pbxnsip uninstaller first, if it can not help you, free download a
good removal tool is also a good choice.
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The biggest discount for Revo Uninstaller software is when you
purchase it for five computers. Revo Uninstaller costs $39.25 for
one computer, but only $98.10 for five. That is a savings of $19.63
per computer.