can't install dropbox...

[Teodoru Adrian]

Binary package hint: gdebi

Fist problem, i can't install dropbox... it's all goes good untill i try to install ... somekind of error.

The second problem it's about something else ... when i enter administrativ password for update manager, i often get a black screen and then it comes back to normal...

ProblemType: Crash
DistroRelease: Ubuntu 10.10
Package: gdebi 0.6.2ubuntu1
ProcVersionSignature: Ubuntu 2.6.35-19.28-generic 2.6.35.3
Uname: Linux 2.6.35-19-generic i686
Architecture: i386
Date: Sun Aug 29 20:24:53 2010
ExecutablePath: /usr/bin/gdebi-gtk
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
InterpreterPath: /usr/bin/python2.6
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/gdebi-gtk --non-interactive /home/trancer/Downloads/nautilus-dropbox_0.6.3_i386\ (3).deb
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.utf8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/gdebi-gtk', '--non-interactive', '/home/trancer/Downloads/nautilus-dropbox_0.6.3_i386 (3).deb']
SourcePackage: gdebi
Title: gdebi-gtk crashed with error in finish_dpkg()
Traceback:
 Traceback (most recent call last):
   File "/usr/lib/python2.6/dist-packages/GDebi/GDebi.py", line 629, in finish_dpkg
     lock.release()
 error: release unlocked lock
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