Unable to drag files to trash (using trash icon in bottom bar)

Binary package hint: nautilus

Dragging files to trash in order to be deleted doesn't work in Natty with Ubuntu Classic interface.
When dragging files, a shortcut is created in bottom bar instead of being moving to trash.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: xorg 1:7.6+4ubuntu3
ProcVersionSignature: Ubuntu 2.6.35-22.35-generic-pae 2.6.35.4
Uname: Linux 2.6.35-22-generic-pae i686
Architecture: i386
CompizPlugins: [core,bailer,detection,composite,opengl,decor,resize,imgpng,snap,place,gnomecompat,mousepoll,vpswitch,compiztoolbox,regex,move,grid,session,animation,wall,workarounds,expo,ezoom,staticswitcher,fade,scale]
CompositorRunning: compiz
DRM.card0.DVI.D.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
DRM.card0.LVDS.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1280x800
 edid-base64: AP///////wAGr0QUAAAAAAEQAQOAHhN4Cof1lFdPjCcnUFQAAAABAQEBAQEBAQEBAQEBAQEB5BsApVAgFzAwIDYAML4QAAAZ5BsApVAgFzAwIDYAML4QAAAAAAAA/gBYVTI5NQNCMTQxRVcxAAAA/gAlMz5GZICg/wEBCiAgAPo=
DRM.card0.VGA.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
Date: Tue Apr 12 11:34:08 2011
DistUpgraded: Log time: 2011-04-01 08:26:05.725934
DistroCodename: natty
DistroVariant: ubuntu
GraphicsCard:
 Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (primary) [8086:2a02] (rev 0c) (prog-if 00 [VGA controller])
   Subsystem: Dell Latitude D630 [1028:01f9]
   Subsystem: Dell Device [1028:01f9]
MachineType: Dell Inc. Latitude D630
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcEnviron:
 LANGUAGE=en_US:en
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-22-generic-pae root=UUID=5fcd6aca-23fd-4b24-85b9-f9aab92805fb ro quiet splash vt.handoff=7
Renderer: Unknown
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to natty on 2011-04-02 (9 days ago)
dmi.bios.date: 07/14/2009
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A16
dmi.board.name: 0KU184
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA16:bd07/14/2009:svnDellInc.:pnLatitudeD630:pvr:rvnDellInc.:rn0KU184:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Latitude D630
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.4+bzr20110411-0ubuntu1
version.libdrm2: libdrm2 2.4.23-1ubuntu6
version.libgl1-mesa-dri: libgl1-mesa-dri 7.10.2-0ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.2-0ubuntu1
version.xserver-xorg: xserver-xorg 1:7.6+4ubuntu3
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu4
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu7
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu7