CCleaner

[Kevve]

CCleaner is a sovereign free to help you clean up your computer. With CCleaner you can clean up the registry available in Windows, where the happy collected a lot of unnecessary information after you install and uninstall programs. By clearing the Windows Registry, you get a more stable and faster computer.

With CCleaner, you can also remove temporary files, Internet files, cache and a lot of other types of junk files that are just taking up space on your hard disk. CCleaner is easy to use and easy to begin with. It costs as I have said nothing but simply to download and run!
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Website
The program is easy to use, and almost always cleans up more than 1gb.
The last 2 times i cleaned, it cleaned up more than 5gb each.

[gaship]

A great program - agree'd expecially the registry part of it.

however 1gb or more a time? Christ how much pron do you watch?! O.o

[Liquid Malfunction]

either he watches asian pron and got addicted to it or he has never deleted it and leaves all of the videos right smack on his desktop O.o

[Kevve]

Haha, you got me!
Nah, but im almost always playing games that leave traces, and downloading, and installing programs.

[Commodore Stocker]

This is a very good program and I use it about once a week. I do not 1 GB, so I guess I lost.

[Liquid Malfunction]

Whenever I leave the computer I clear all my data and run CCleaner so I run it about 200 times a day iz wary secwtuve wiz mu computers

[FearMeDear]

Yeah, gotta agree with the rest of you, this program ruLez!
And Yeah, I tend to clear about between ½gig and 1 gig aswell.

[Zurkei]

You guys watch to much pr0n I never remove more then 200MB worth at a time...

[Liquid Malfunction]

You guys watch to much pr0n I never remove more then 200MB worth at a time...

lol my average is like 20mb since I run it everytime I close my browser(its a securitey(sp?) precaution