Hard Drive

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Holy Shrinking Free Space, Batman!

Ask the Doctor LogoThe hard drive in my recently built computer keeps filling up without explanation. I am running 64-bit Windows 7, an Intel Core i7-920, an MSI X58 PRO-E motherboard, 6GB of DDR3, and a Seagate Barracuda 7200.12 TB hard drive. I have 625.1GB free out of 931GB. When I came home a couple days ago, I found that I had only 17KB free on my hard drive. I restarted my computer to find that the levels of free space had returned to normal. I then locked my computer and went out for a meal. When I came back, I found I only had 234.7GB free. Every time I shut down the computer, the level of free space goes to normal, but then decreases rapidly whenever my computer is on.

I ran WinDirStat to try to figure out what the problem was; it showed that the largest chunk of used space—157GB!—was being used by a file called cputime.xml in C:\Program Files (x86)\Common Files\PC Tools\Monitor.

—Joseph Koo

Read the Doctor's advice for Joseph after the jump.