The applications place is empty

Binary package hint: unity

When I hit the button for installed application the second time around I get no applications at all. The first time I get application, but the page is not scrollable, so I get only five lines of applications.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: unity 3.4.0-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-4.31-generic-pae 2.6.38-rc5
Uname: Linux 2.6.38-4-generic-pae i686
Architecture: i386
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
DRM.card0.LVDS.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1600x900 1440x900 1280x854 1280x800 1280x720 1152x768 1024x768 800x600 848x480 720x480 640x480
 edid-base64: AP///////wAGr54QAAAAAAESAQOAJhV4CkUlnFtVnCcZUFQAAAABAQEBAQEBAQEBAQEBAQEBICtAkGGEFDBAKjMAftYQAAAYAAAADwAAAAAAAAAAAAAAAAAgAAAA/gBBVU8KICAgICAgICAgAAAA/gBCMTczUlcwMSBWMCAKALs=
DRM.card0.VGA.1:
 status: disconnected
 enabled: disabled
 dpms: On
 modes:
 edid-base64:
DRM.card1.DP.1:
 status: disconnected
 enabled: disabled
 dpms: On
 modes:
 edid-base64:
DRM.card1.HDMI.A.1:
 status: disconnected
 enabled: disabled
 dpms: On
 modes:
 edid-base64:
DRM.card1.LVDS.2:
 status: connected
 enabled: disabled
 dpms: On
 modes: 1600x900 1440x900 1280x854 1280x800 1280x720 1152x768 1024x768 800x600 848x480 720x480 640x480
 edid-base64: AP///////wAGr54QAAAAAAESAQOAJhV4CkUlnFtVnCcZUFQAAAABAQEBAQEBAQEBAQEBAQEBICtAkGGEFDBAKjMAftYQAAAYAAAADwAAAAAAAAAAAAAAAAAgAAAA/gBBVU8KICAgICAgICAgAAAA/gBCMTczUlcwMSBWMCAKALs=
DRM.card1.VGA.2:
 status: disconnected
 enabled: disabled
 dpms: On
 modes:
 edid-base64:
Date: Thu Feb 24 12:35:27 2011
DistUpgraded: Fresh install
DistroCodename: natty
DistroVariant: ubuntu
EcryptfsInUse: Yes
GraphicsCard:
 ATI Technologies Inc RS780M/RS780MN [Radeon HD 3200 Graphics] [1002:9612] (prog-if 00 [VGA controller])
   Subsystem: Acer Incorporated [ALI] Device [1025:0236]
 ATI Technologies Inc M92 [Mobility Radeon HD 4500 Series] [1002:9553] (prog-if 00 [VGA controller])
   Subsystem: Acer Incorporated [ALI] Device [1025:0237]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110202)
InstallationMedia_: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110202)
MachineType: Acer Aspire 7535
ProcEnviron:
 LANGUAGE=nl_NL:nl:en_GB:en
 LANG=nl_NL.UTF-8
 LC_MESSAGES=nl_NL.utf8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-4-generic-pae root=UUID=54b93aa5-cb67-4ecc-8231-125ce14b207f ro quiet splash vt.handoff=7
ProcVersionSignature_: Ubuntu 2.6.38-4.31-generic-pae 2.6.38-rc5
Renderer: Unknown
SourcePackage: unity
dmi.bios.date: 06/22/2009
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: V1.07
dmi.board.name: JM70PU
dmi.board.vendor: Acer
dmi.board.version: Rev
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrV1.07:bd06/22/2009:svnAcer:pnAspire7535:pvr0100:rvnAcer:rnJM70PU:rvrRev:cvnAcer:ct10:cvrN/A:
dmi.product.name: Aspire 7535
dmi.product.version: 0100
dmi.sys.vendor: Acer
version.compiz: compiz 1:0.9.2.1+glibmainloop4-0ubuntu11
version.libdrm2: libdrm2 2.4.23-1ubuntu3
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.1~git20110215.cc1636b6-0ubuntu2
version.xserver-xorg: xserver-xorg 1:7.6~3ubuntu6
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-1ubuntu9
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu4