Help page not show

Question

Starting from version 8.1 using the menu Help -> Info on Firefox (italian version and also in version 9 reistalled) i see this screen:
Errore interpretazione XML: entità non definita
Indirizzo: chrome://browser/content/aboutDialog.xul
Linea numero 87, colonna 40: <label class="trademark-label">&trademarkInfo.part1;</label>
---------------------------------------^
I can't do automatic update I've downloaded manually the version 8.1 and 9.1 but the problem doesn't change. I've also the problem that the menu' bar preferred was show only if I hide and unhide the preferred link bar from menu' "Visaulizza"

Answer 1

Informazioni di base
Nome Firefox
Versione 9.0.1
User agent Mozilla/5.0 (Windows NT 5.1; rv:9.0.1) Gecko/20100101 Firefox/9.0.1
Plugin attivi
about:plugins
Configurazione build
about:buildconfig
Segnalazioni di errore
about:crashes
Utilizzo memoria
about:memory
Estensioni
Nome Versione Attiva ID
AddThis 3.1.3 true {3e0e7d2a-070f-4a47-b019-91fe5385ba79}
Cooliris 1.12.3.55472 true [email protected]
Download YouTube Videos as MP4 and FLV 1.3.5 true {b9bfaf1c-a63f-47cd-8b9a-29526ced9060}
Easy YouTube Video Downloader 5.9 true {c0c9a2c7-2e5c-4447-bc53-97718bc91e1b}
EPUBReader 1.4.1.0 true {5384767E-00D9-40E9-B72F-9CC39D655D6F}
Firebug 1.8.4 true [email protected]
FireFlow 0.3.1 true [email protected]
FoxyProxy Standard 3.4 true [email protected]
Google Docs Viewer 1.8 true [email protected]
Greasemonkey 0.9.13 true {e4a8a97b-f2ed-450b-b12d-ee082ba24781}
Html Validator 0.9.5.1 true {3b56bcc7-54e5-44a2-9b44-66c3ef58c13e}
MuLTiFlow 1.0835 true [email protected]
ProxyBib 0.7 true [email protected]
User Agent Switcher 0.7.3 true {e968fc70-8f95-4ab9-9e79-304de2a71ee1}
Zotero 2.1.10 true [email protected]
AVG Safe Search 12.0.0.1894 false {1E73965B-8B48-48be-9C8D-68B920ABC1C4}
DivX HiQ 2.1.1.94 false {6904342A-8307-11DF-A508-4AE2DFD72085}
DivX Plus Web Player HTML5 <video> 2.1.1.94 false {23fcfd51-4958-4f00-80a3-ae97e717ed8b}
FlashGot 1.3.5 false {19503e42-ca3c-4c27-b1e2-9cdb2170ee34}
FoxVox 1.7.8 false [email protected]
Java Quick Starter 1.0 false [email protected]
Microsoft .NET Framework Assistant 1.2.1 false {20a82645-c095-46ed-80e3-08825760534b}
OneClick YouTube Downloader 1.0.6 false {35379F86-8CCB-4724-AE33-4278DE266C70}
RealPlayer Browser Record Plugin 15.0.0 false {ABDE892B-13A8-4d1b-88E6-365A6E755758}
SEO Doctor 1.5.6 false [email protected]
Preferenze modificate
Nome Valore
accessibility.typeaheadfind.flashBar 0
browser.history_expire_days.mirror 180
browser.places.smartBookmarksVersion 2
browser.startup.homepage_override.buildID 20111220165912
browser.startup.homepage_override.mstone rv:9.0.1
dom.ipc.plugins.enabled.npcoolirisplugin.dll false
extensions.lastAppVersion 9.0.1
general.useragent.extra.microsoftdotnet ( .NET CLR 3.5.30729; .NET4.0E)
gfx.blacklist.layers.direct3d9 2
network.cookie.prefsMigrated true
places.database.lastMaintenance 1325268616
places.history.expiration.transient_current_max_pages 21254
places.history.expiration.transient_optimal_database_size 34005401
places.last_vacuum 1299830223
plugin.disable_full_page_plugin_for_types application/pdf
print.print_printer Adobe PDF
print.printer_Adobe_PDF.print_bgcolor false
print.printer_Adobe_PDF.print_bgimages false
print.printer_Adobe_PDF.print_command
print.printer_Adobe_PDF.print_downloadfonts false
print.printer_Adobe_PDF.print_edge_bottom 0
print.printer_Adobe_PDF.print_edge_left 0
print.printer_Adobe_PDF.print_edge_right 0
print.printer_Adobe_PDF.print_edge_top 0
print.printer_Adobe_PDF.print_evenpages true
print.printer_Adobe_PDF.print_footercenter print.printer_Adobe_PDF.print_footerleft &PT
print.printer_Adobe_PDF.print_footerright &D
print.printer_Adobe_PDF.print_headercenter
print.printer_Adobe_PDF.print_headerleft &T
print.printer_Adobe_PDF.print_headerright &U
print.printer_Adobe_PDF.print_in_color true
print.printer_Adobe_PDF.print_margin_bottom 0.5
print.printer_Adobe_PDF.print_margin_left 0.5
print.printer_Adobe_PDF.print_margin_right 0.5
print.printer_Adobe_PDF.print_margin_top 0.5
print.printer_Adobe_PDF.print_oddpages true
print.printer_Adobe_PDF.print_orientation 0
print.printer_Adobe_PDF.print_page_delay 50
print.printer_Adobe_PDF.print_pagedelay 500
print.printer_Adobe_PDF.print_paper_data 9
print.printer_Adobe_PDF.print_paper_height 11,00
print.printer_Adobe_PDF.print_paper_size_type 0
print.printer_Adobe_PDF.print_paper_size_unit 1
print.printer_Adobe_PDF.print_paper_width 8,50
print.printer_Adobe_PDF.print_reversed false
print.printer_Adobe_PDF.print_scaling 1,00
print.printer_Adobe_PDF.print_shrink_to_fit true
print.printer_Adobe_PDF.print_to_file false
print.printer_Adobe_PDF.print_unwriteable_margin_bottom 0
print.printer_Adobe_PDF.print_unwriteable_margin_left 0
print.printer_Adobe_PDF.print_unwriteable_margin_right 0
print.printer_Adobe_PDF.print_unwriteable_margin_top 0
print.printer_EPSON_Stylus_DX7400_Series.print_bgcolor false
print.printer_EPSON_Stylus_DX7400_Series.print_bgimages false
print.printer_EPSON_Stylus_DX7400_Series.print_command
print.printer_EPSON_Stylus_DX7400_Series.print_downloadfonts false
print.printer_EPSON_Stylus_DX7400_Series.print_edge_bottom 0
print.printer_EPSON_Stylus_DX7400_Series.print_edge_left 0
print.printer_EPSON_Stylus_DX7400_Series.print_edge_right 0
print.printer_EPSON_Stylus_DX7400_Series.print_edge_top 0
print.printer_EPSON_Stylus_DX7400_Series.print_evenpages true
print.printer_EPSON_Stylus_DX7400_Series.print_footercenter
print.printer_EPSON_Stylus_DX7400_Series.print_footerleft &PT
print.printer_EPSON_Stylus_DX7400_Series.print_footerright
&D
print.printer_EPSON_Stylus_DX7400_Series.print_headercenter
print.printer_EPSON_Stylus_DX7400_Series.print_headerleft
&T
print.printer_EPSON_Stylus_DX7400_Series.print_headerright
&U
print.printer_EPSON_Stylus_DX7400_Series.print_in_color
true
print.printer_EPSON_Stylus_DX7400_Series.print_margin_bottom
0.5
print.printer_EPSON_Stylus_DX7400_Series.print_margin_left
0.5
print.printer_EPSON_Stylus_DX7400_Series.print_margin_right
0.5
print.printer_EPSON_Stylus_DX7400_Series.print_margin_top
0.5
print.printer_EPSON_Stylus_DX7400_Series.print_oddpages
true
print.printer_EPSON_Stylus_DX7400_Series.print_orientation
0
print.printer_EPSON_Stylus_DX7400_Series.print_pagedelay
500
print.printer_EPSON_Stylus_DX7400_Series.print_paper_data 9
print.printer_EPSON_Stylus_DX7400_Series.print_paper_height 11,00
print.printer_EPSON_Stylus_DX7400_Series.print_paper_size_type 0
print.printer_EPSON_Stylus_DX7400_Series.print_paper_size_unit 1
print.printer_EPSON_Stylus_DX7400_Series.print_paper_width 8,50
print.printer_EPSON_Stylus_DX7400_Series.print_reversed false
print.printer_EPSON_Stylus_DX7400_Series.print_scaling 1,00
print.printer_EPSON_Stylus_DX7400_Series.print_shrink_to_fit true
print.printer_EPSON_Stylus_DX7400_Series.print_to_file false
print.printer_EPSON_Stylus_DX7400_Series.print_unwriteable_margin_bottom 0
print.printer_EPSON_Stylus_DX7400_Series.print_unwriteable_margin_left 0
print.printer_EPSON_Stylus_DX7400_Series.print_unwriteable_margin_right 0
print.printer_EPSON_Stylus_DX7400_Series.print_unwriteable_margin_top 0
print.printer_Microsoft_XPS_Document_Writer.print_bgcolor false
print.printer_Microsoft_XPS_Document_Writer.print_bgimages false
print.printer_Microsoft_XPS_Document_Writer.print_command
print.printer_Microsoft_XPS_Document_Writer.print_downloadfonts false
print.printer_Microsoft_XPS_Document_Writer.print_edge_bottom 0
print.printer_Microsoft_XPS_Document_Writer.print_edge_left 0
print.printer_Microsoft_XPS_Document_Writer.print_edge_right 0
print.printer_Microsoft_XPS_Document_Writer.print_edge_top 0
print.printer_Microsoft_XPS_Document_Writer.print_evenpages true
print.printer_Microsoft_XPS_Document_Writer.print_footercenter
print.printer_Microsoft_XPS_Document_Writer.print_footerleft &PT
print.printer_Microsoft_XPS_Document_Writer.print_footerright &D
print.printer_Microsoft_XPS_Document_Writer.print_headercenter
print.printer_Microsoft_XPS_Document_Writer.print_headerleft &T
print.printer_Microsoft_XPS_Document_Writer.print_headerright &U
print.printer_Microsoft_XPS_Document_Writer.print_in_color true
print.printer_Microsoft_XPS_Document_Writer.print_margin_bottom 0.5
print.printer_Microsoft_XPS_Document_Writer.print_margin_left 0.5
print.printer_Microsoft_XPS_Document_Writer.print_margin_right 0.5
print.printer_Microsoft_XPS_Document_Writer.print_margin_top 0.5
print.printer_Microsoft_XPS_Document_Writer.print_oddpages true
print.printer_Microsoft_XPS_Document_Writer.print_orientation 0
print.printer_Microsoft_XPS_Document_Writer.print_pagedelay 500
print.printer_Microsoft_XPS_Document_Writer.print_paper_data 9
print.printer_Microsoft_XPS_Document_Writer.print_paper_height 297,00
print.printer_Microsoft_XPS_Document_Writer.print_paper_size_type 1
print.printer_Microsoft_XPS_Document_Writer.print_paper_size_unit 1
print.printer_Microsoft_XPS_Document_Writer.print_paper_width 210,00
print.printer_Microsoft_XPS_Document_Writer.print_reversed false
print.printer_Microsoft_XPS_Document_Writer.print_scaling 1,00
print.printer_Microsoft_XPS_Document_Writer.print_shrink_to_fit true
print.printer_Microsoft_XPS_Document_Writer.print_to_file false
print.printer_Microsoft_XPS_Document_Writer.print_unwriteable_margin_bottom 0
print.printer_Microsoft_XPS_Document_Writer.print_unwriteable_margin_left 0
print.printer_Microsoft_XPS_Document_Writer.print_unwriteable_margin_right 0
print.printer_Microsoft_XPS_Document_Writer.print_unwriteable_margin_top 0
privacy.sanitize.migrateFx3Prefs true
security.warn_viewing_mixed false
Grafica
Descrizione scheda grafica NVIDIA GeForce Go 7400
ID produttore 10de
ID dispositivo 01d8
RAM scheda grafica Unknown
Driver scheda grafica nv4_disp
Versione driver 8.3.2.0
Data aggiornamento driver
12-15-2005
RAM scheda grafica (GPU #2)
Unknown
Driver scheda grafica (GPU #2)
Unknown
Rendering WebGL
Google Inc. -- ANGLE (NVIDIA GeForce Go 7400 ) -- OpenGL ES 2.0 (ANGLE 0.0.0.809)
Finestre con accelerazione GPU
0/2. Bloccato a causa della versione dei driver della scheda grafica.