The "READ ME" thread includes a detailed post explaining the common causes and the process of tracking down the 'missing' space.
John
Hi
I have recently installed windows vista after formatting the c drive.
After installation i could se 109 GB space in C drive, i then installed oracle and Oracle ware3house builder and itune and the disc space was reduce to 94 GB. My Disk space on c drive is getting shrink day by day. Any idea will be highly appreciated

Chowhound
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