It looks like both the System account and my own ID have full permissions for C:\, but C:\ is owned by "Trusted Installer" and I'm not able to take ownership. When a process is running, so I don't know if this one is significant or not. It's fairly common for these kinds of errors to occur
Using the latest version of System Internals' process monitoring tools, I observed that when Disk Management is running, it encounters one "Access Denied" error when trying to write something to "C:\". It seems likely that Perfect Disk moved this file, but I'm not sure if relocating this file is what has confused Disk Management or if some other change is responsible for the behavior. Prior to running Perfect Disk, Disk Management was able to shrink the volume 50% and reported in the event logs that it could not shrink it more than that because of the unmovable file
Prior to running Perfect Disk, Disk Management was working correctly. I followed steps 1 - 6 at this URL: After the consolidate and boot time defrag, I launched Disk Management and observed this issue. Customer Support at Raxco suggested FixMBR and then suggested Microsoft Support if that didn't work.ĭoes anyone have any insight into what I need to do to correct this problem?ĭid you try using PerfectDisk's "Consolidate Free Space" option? Seems to be a commonly encountered problem and many people have reported that PerfectDisk was able to reorganize the disk so that Disk Management could shrink it further, so I downloaded a trial copy of PerfectDisk and tried it. Successfully used Disk Manager to shrink the C drive, but could only shrink about 50% because of an unmovable file. Received new laptop from my IT department with Win7 64-bit preinstalled, with the entire drive allocated for the C drive.
I am concerned that something is wrong though, and if I continue to use this system in this state, I may lose data or experience file system corruption. FixMBR, FixBoot, RebuildBCD have not had any effect. Diskpart does not have a problem shrinking it, but when asked to list the volumes, Diskpart leaves the Label and File System columns blank for the C drive (it findsĬorrect values for the other volumes on this same disk). Properties dialog for the C: drive reports 25 GB in use. Are you sure you want to shrink this volume?"Ĭhkdsk sees no problems. Shrinking this volume will erase any data that you may have stored on it.
Volume, but if I try to shrink the volume, after a brief delay while it queries for available space, it says that I can shrink by a few 100 MB, and when I ask it to shrink, it says "The volume you have selected to shrink does not have a recognizable file system. When I try to use Disk Management, it correctly reports the size of my C: drive (80 GB) and pronounces it to be "Healthy (System, Boot, Active, Crash Dump, Primary Partition)", but it says that it has 100% free space.
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