Windows explorer shows incorrect free space

October 3, 2011 at 10:07:27
Specs: Windows Vista Business 32- bit SP 2, Core Duo P8600 2.4 GHz / 4 GB Ram
I have a notebook computer running Windows Vista Business 32-bit, SP2. The unit has a 75 GB drive partitioned as a 72 GB primary C partition with a 1 GB D partition (most likely for system restore).

The drive has 24.8 GB of data (I used a program called WinDirStat to provide me with the file info), and this matches when I take the properties of all of the foldes and add them together.

Windows explorer shows that there is 1.21 GB free on the drive. I am missing about 50 GB of space.

I have run an error check, which showed no issues with the file structure or the disk itself.

There is an older thread, on this message board dealing with the same issue under Windows XP but without resolution. Upgrading the OS to Win 7 and/or reformatting to a factory image is not an option, at this time.

Thanks in advance,


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October 3, 2011 at 13:31:39
I would empty the recycle bin & make sure that windows explorer is counting hidden & system files.

How do you know when a politician is lying? His mouth is moving.

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October 3, 2011 at 13:49:44
Recycle bin is empty and, at most is only allocated 5 GB of space. WinDirStat takes a deep dive into the OS and would show any protected system files as well as the recycle bin. Thanks, though. I really appreciate you taking a look at this for me.

Have a great day!


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October 3, 2011 at 15:33:41
go to a cmd prompt and do a chkdsk and post the results for review.

If at the end it says errors found run chkdsk /f do so.
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October 3, 2011 at 16:27:11
It's an odd one. Chkdsk shows no errors but it also shows that about 74 GB is being used in files, but they are not reflected in the directory structure. There has to be some issue with the file allocation table.

I really appreciate you helping me with this. Let me know if my chkdsk results show something that I am missing.


CHKDSK is verifying files (stage 1 of 3)...
174720 file records processed.
File verification completed.
1315 large file records processed.
0 bad file records processed.
2 EA records processed.
44 reparse records processed.
CHKDSK is verifying indexes (stage 2 of 3)...
214814 index entries processed.
Index verification completed.
0 unindexed files processed.
CHKDSK is verifying security descriptors (stage 3 of 3)...
174720 security descriptors processed.
Security descriptor verification completed.
20048 data files processed.
CHKDSK is verifying Usn Journal...
34015040 USN bytes processed.
Usn Journal verification completed.
Windows has checked the file system and found no problems.

75514879 KB total disk space.
74153936 KB in 109311 files.
76460 KB in 20049 indexes.
0 KB in bad sectors.
285095 KB in use by the system.
65536 KB occupied by the log file.
999388 KB available on disk.

4096 bytes in each allocation unit.
18878719 total allocation units on disk.
249847 allocation units available on disk.

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