package ecryptfs-utils 87-0ubuntu1 failed to install/upgrade: subprocess installed pre-removal script returned error exit status 1

[oddemirci]

Binary package hint: ecryptfs-utils

When trying to uninstall ecryptfs

ProblemType: Package
DistroRelease: Ubuntu 11.04
Package: ecryptfs-utils 87-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
AptOrdering: ecryptfs-utils: Purge
Architecture: i386
Date: Mon Jun 6 02:45:22 2011
DpkgTerminalLog:
 Removing ecryptfs-utils ...
 ERROR: Cannot remove ecryptfs-utils, as it appears to be in use:
        [/home/demirci/.ecryptfs]
 dpkg: error processing ecryptfs-utils (--purge):
  subprocess installed pre-removal script returned error exit status 1
ErrorMessage: subprocess installed pre-removal script returned error exit status 1
SourcePackage: ecryptfs-utils
Title: package ecryptfs-utils 87-0ubuntu1 failed to install/upgrade: subprocess installed pre-removal script returned error exit status 1
UpgradeStatus: Upgraded to natty on 2011-05-01 (35 days ago)