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My Documents and Setting folder occupies 8.42 GB, but When I check the files inside individually it just shows 800 MB. Why is that?

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up vote 3 down vote accepted

Almost unbelieveable that you 7.6 gb unaccounted for. I could see being off by a bit due to rounding off or hidden files.

First i would check my math, if correct you could try WinDirStat -it's an awesome little tool that doesn't need to be installed with a very nice GUI that may help you find something you missed.

Also, empty your recycle bin - i don't think that will account for the difference but it might. In your tags you have temporary files listed -if you believe that may be your problem i can recommend CCleaner. Would suggest the standard virus/malware scans also.

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Can you see all the system and hidden files? These could be taking up some of the space, but 90% seems a bit excessive.

Go to Tools > Folder Options > View > Advanced Settings.

You might be able to see more.

You could also install something like Treesize which should reveal more information.

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No i have choosed the options to show hidden and system files. – Rajasekar Jan 15 '10 at 9:48
I'd install TreeSize and use that. – ChrisF Jan 15 '10 at 10:02

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