General Question

robmandu's avatar

Why is Windows telling me two different values for free space?

Asked by robmandu (21293points) October 3rd, 2008

Right-click on my C: drive, select Properties, and it says I have ~15GB of free space.

Run the defrag.exe utility (in C:\Windows\System32) and it reports that I have ~40GB of free space.

As you can imagine, if defrag.exe was wrong, then it would likely be shuffling files around and overwriting stuff willy-nilly. The system wouldn’t last a week like that (running defrag.exe nightly).

What gives?

Running on Win XP SP2.

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6 Answers

robmandu's avatar


JDiskReport and WinDirStat both seem to support the ~15GB free space scenario.

So, now defrag.exe is kinda scarin’ the bejeebus outta me.

jasongarrett's avatar

Do you have multiple partitions on the drive?

lrk's avatar


robmandu's avatar

Oh. Hold on.

Tell you what, nevermind. I might be comparing wrong dates.

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