disk-manager crashed with IOError in copyfile()

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i had just logged in when the error came up all i did was check Volume Applet 2.23.91 after i finished this cam up i am using 8.10

ProblemType: Crash
Architecture: amd64
DistroRelease: Ubuntu 8.10
ExecutablePath: /usr/bin/disk-manager
InterpreterPath: /usr/bin/python2.5
NonfreeKernelModules: ath_hal nvidia
Package: disk-manager 1.0.1-2
PackageArchitecture: all
ProcAttrCurrent: unconfined
ProcCmdline: /usr/bin/python2.5 -OOt /usr/bin/disk-manager --check
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=en_US.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/disk-manager', '--check']
SourcePackage: disk-manager
Title: disk-manager crashed with IOError in copyfile()
Uname: Linux 2.6.27-2-generic x86_64
UserGroups: adm admin cdrom dialout fuse lpadmin plugdev sambashare