Menu disappears when you move the cursor

[Alejandro Agustin]

This error occurs in mozilla Aurora. When you click the right mouse button, for example an image is the corresponding menu, but when you move the cursor off the menu, making it impossible to select any option.e is the corresponding menu, but when you move the cursor off the menu, making it impossible to select any option.
Curiously sometimes does not happen. It's random.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: firefox 11.0~a2~hg20120105r84005-0ubuntu1~umd1~oneiric
ProcVersionSignature: Ubuntu 3.0.0-14.23-generic-pae 3.0.9
Uname: Linux 3.0.0-14-generic-pae i686
AddonCompatCheckDisabled: False
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.23-0ubuntu4
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: alejandro 2872 F.... pulseaudio
 /dev/snd/pcmC0D0p: alejandro 2872 F...m pulseaudio
BuildID: 20120106043022
CRDA: Error: [Errno 2] El fitxer o directori no existeix
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xfeaf8000 irq 49'
   Mixer name : 'Realtek ALC660-VD'
   Components : 'HDA:10ec0660,10430000,00100001 HDA:10573055,10431316,00100700'
   Controls : 24
   Simple ctrls : 15
Channel: aurora
Date: Wed Jan 18 23:11:06 2012
ForcedLayersAccel: False
IfupdownConfig:
 auto lo
 iface lo inet loopback
IncompatibleExtensions:
 Ubuntu Firefox Modifications - <email address hidden>, Version=1.0.2, minVersion=4.0b6, maxVersion=10.*, Location=app-global, Type=extension, Active=Yes
 Test Pilot - <email address hidden>, Version=1.2, minVersion=3.5, maxVersion=10.*, Location=app-profile, Type=extension, Active=Yes
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
IpRoute:
 default via 192.168.1.1 dev wlan0 proto static
 169.254.0.0/16 dev wlan0 scope link metric 1000
 192.168.1.0/24 dev wlan0 proto kernel scope link src 192.168.1.34 metric 2
Profiles: Profile0 (Default) - LastVersion=11.0a2/20120106043022 (Running)
RunningIncompatibleAddons: True
SourcePackage: firefox
UpgradeStatus: No upgrade log present (probably fresh install)
WifiSyslog:

dmi.bios.date: 07/21/2008
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 305
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: F3E
dmi.board.vendor: ASUSTeK Computer Inc.
dmi.board.version: 1.0
dmi.chassis.asset.tag: ATN12345678901234567
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK Computer Inc.
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr305:bd07/21/2008:svnASUSTeKComputerInc.:pnF3E:pvr1.0:rvnASUSTeKComputerInc.:rnF3E:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr1.0:
dmi.product.name: F3E
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK Computer Inc.