Ciao e grazie mille per la risposta,ho installato le libreria che mi hai suggerito, ma niente da fare...ho disinstallato e reinstallato ma non vuole saperne di aprirsi, oltretutto esce fuori dopo il messaggio che ho scritto questa pappardella: 

12/07/2016 09.47.23 [EXCEPTION] Impossibile caricare il file o l\'assembly \'CefSharp.Core.dll\' o una delle relative dipendenze. Impossibile trovare il modulo specificato. WebSiteX5.Browser in WebsiteX5.Browser.CefHelper.ShutdownCef() in WebsiteX5.Browser.BrowserControl.DisposeBrowser() in ..() in . .(String[] ) 12/07/2016 09.47.23 [INFO] Loading mscorlib.resources, Version=4.0.0.0, Culture=it, PublicKeyToken=b77a5c561934e089 12/07/2016 09.47.22 [INFO] Loading CefSharp.WinForms, Version=39.0.1.0, Culture=neutral, PublicKeyToken=40c4b6fc221f4138 12/07/2016 09.47.22 [INFO] Loading CefSharp, Version=39.0.1.0, Culture=neutral, PublicKeyToken=40c4b6fc221f4138 12/07/2016 09.46.53 [INFO] Loading WebSiteX5.Browser, Version=3.0.0.11, Culture=neutral, PublicKeyToken=90163a1b10d8b8a5 12/07/2016 09.46.53 [INFO] Opening the Main Window 12/07/2016 09.46.53 [INFO] Creating Wizard Manager 12/07/2016 09.46.53 [INFO] Configuring Form Main 12/07/2016 09.46.53 [INFO] Creating WBE 12/07/2016 09.46.53 [INFO] Updating Libraries - End 12/07/2016 09.46.53 [INFO] Updating PluginApps 12/07/2016 09.46.52 [INFO] Updating Templates 12/07/2016 09.46.50 [INFO] Loading System.Security, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a 12/07/2016 09.46.50 [INFO] Updating User Status 12/07/2016 09.46.50 [INFO] Updating Libraries - Start 12/07/2016 09.46.50 [INFO] Loading Libraries - End 12/07/2016 09.46.50 [INFO] Loading Cart Steps Styles 12/07/2016 09.46.47 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 12/07/2016 09.46.47 [INFO] Loading Page Layouts 12/07/2016 09.46.47 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 12/07/2016 09.46.46 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 12/07/2016 09.46.46 [INFO] Loading Cell Formats 12/07/2016 09.46.46 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 12/07/2016 09.46.46 [INFO] Loading Image Editor Properties 12/07/2016 09.46.45 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 12/07/2016 09.46.45 [INFO] Loading Templates 12/07/2016 09.46.45 [INFO] Loading PluginApps 12/07/2016 09.46.45 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 12/07/2016 09.46.45 [INFO] Loading Buttons Styles 12/07/2016 09.46.45 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 12/07/2016 09.46.45 [INFO] Loading Buttons 12/07/2016 09.46.45 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 12/07/2016 09.46.45 [INFO] Loading Languages 12/07/2016 09.46.45 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 12/07/2016 09.46.45 [INFO] Loading Currencies 12/07/2016 09.46.45 [INFO] Adding Font Family: Yu Gothic UI Semilight 12/07/2016 09.46.45 [INFO] Adding Font Family: Yu Gothic UI Semibold 12/07/2016 09.46.45 [INFO] Adding Font Family: Yu Gothic UI Light 12/07/2016 09.46.45 [INFO] Adding Font Family: Yu Gothic UI 12/07/2016 09.46.45 [INFO] Adding Font Family: Yu Gothic Medium 12/07/2016 09.46.45 [INFO] Adding Font Family: Yu Gothic Light 12/07/2016 09.46.45 [INFO] Adding Font Family: Yu Gothic 12/07/2016 09.46.45 [INFO] Adding Font Family: Wingdings 3 12/07/2016 09.46.45 [INFO] Adding Font Family: Wingdings 2 12/07/2016 09.46.45 [INFO] Adding Font Family: Wingdings 12/07/2016 09.46.45 [INFO] Adding Font Family: Wide Latin 12/07/2016 09.46.45 [INFO] Adding Font Family: Webdings 12/07/2016 09.46.45 [INFO] Adding Font Family: Vladimir Script 12/07/2016 09.46.45 [INFO] Adding Font Family: Vivaldi 12/07/2016 09.46.45 [INFO] Adding Font Family: Viner Hand ITC 12/07/2016 09.46.45 [INFO] Adding Font Family: Verdana 12/07/2016 09.46.45 [INFO] Adding Font Family: Tw Cen MT Condensed Extra Bold 12/07/2016 09.46.45 [INFO] Adding Font Family: Tw Cen MT Condensed 12/07/2016 09.46.45 [INFO] Adding Font Family: Tw Cen MT 12/07/2016 09.46.45 [INFO] Adding Font Family: Trebuchet MS 12/07/2016 09.46.45 [INFO] Adding Font Family: Trajan Pro 12/07/2016 09.46.45 [INFO] Adding Font Family: Times New Roman 12/07/2016 09.46.45 [INFO] Adding Font Family: Tempus Sans ITC 12/07/2016 09.46.45 [INFO] Adding Font Family: Tekton Pro Ext 12/07/2016 09.46.45 [INFO] Adding Font Family: Tekton Pro Cond 12/07/2016 09.46.45 [INFO] Adding Font Family: Tekton Pro 12/07/2016 09.46.45 [INFO] Adding Font Family: Tahoma 12/07/2016 09.46.45 [INFO] Adding Font Family: Symbol 12/07/2016 09.46.45 [INFO] Adding Font Family: Sylfaen 12/07/2016 09.46.45 [INFO] Adding Font Family: SWGamekeys MT 12/07/2016 09.46.45 [INFO] Adding Font Family: Stencil Std 12/07/2016 09.46.45 [INFO] Adding Font Family: Stencil 12/07/2016 09.46.45 [INFO] Adding Font Family: Snap ITC 12/07/2016 09.46.45 [INFO] Adding Font Family: Sitka Text 12/07/2016 09.46.45 [INFO] Adding Font Family: Sitka Subheading 12/07/2016 09.46.45 [INFO] Adding Font Family: Sitka Small 12/07/2016 09.46.45 [INFO] Adding Font Family: Sitka Heading 12/07/2016 09.46.45 [INFO] Adding Font Family: Sitka Display 12/07/2016 09.46.45 [INFO] Adding Font Family: Sitka Banner 12/07/2016 09.46.45 [INFO] Adding Font Family: SimSun-ExtB 12/07/2016 09.46.45 [INFO] Adding Font Family: SimSun 12/07/2016 09.46.45 [INFO] Adding Font Family: Showcard Gothic 12/07/2016 09.46.45 [INFO] Adding Font Family: Segoe UI Symbol 12/07/2016 09.46.45 [INFO] Adding Font Family: Segoe UI Semilight 12/07/2016 09.46.45 [INFO] Adding Font Family: Segoe UI Semibold 12/07/2016 09.46.45 [INFO] Adding Font Family: Segoe UI Light 12/07/2016 09.46.45 [INFO] Adding Font Family: Segoe UI Historic 12/07/2016 09.46.45 [INFO] Adding Font Family: Segoe UI Emoji 12/07/2016 09.46.45 [INFO] Adding Font Family: Segoe UI Black 12/07/2016 09.46.45 [INFO] Adding Font Family: Segoe UI 12/07/2016 09.46.45 [INFO] Adding Font Family: Segoe Script 12/07/2016 09.46.45 [INFO] Adding Font Family: Segoe Print 12/07/2016 09.46.45 [INFO] Adding Font Family: Segoe MDL2 Assets 12/07/2016 09.46.45 [INFO] Adding Font Family: Script MT Bold 12/07/2016 09.46.45 [INFO] Adding Font Family: Rosewood Std Regular 12/07/2016 09.46.45 [INFO] Adding Font Family: Rockwell Extra Bold 12/07/2016 09.46.45 [INFO] Adding Font Family: Rockwell Condensed 12/07/2016 09.46.45 [INFO] Adding Font Family: Rockwell 12/07/2016 09.46.45 [INFO] Adding Font Family: Ravie 12/07/2016 09.46.45 [INFO] Adding Font Family: Rage Italic 12/07/2016 09.46.45 [INFO] Adding Font Family: Pristina 12/07/2016 09.46.45 [INFO] Adding Font Family: Prestige Elite Std 12/07/2016 09.46.45 [INFO] Adding Font Family: Poplar Std 12/07/2016 09.46.45 [INFO] Adding Font Family: Poor Richard 12/07/2016 09.46.45 [INFO] Adding Font Family: PMingLiU-ExtB 12/07/2016 09.46.45 [INFO] Adding Font Family: Playbill 12/07/2016 09.46.45 [INFO] Adding Font Family: Perpetua Titling MT 12/07/2016 09.46.44 [INFO] Adding Font Family: Perpetua 12/07/2016 09.46.44 [INFO] Adding Font Family: Parchment 12/07/2016 09.46.44 [INFO] Adding Font Family: Papyrus 12/07/2016 09.46.44 [INFO] Adding Font Family: Palatino Linotype 12/07/2016 09.46.44 [INFO] Adding Font Family: Palace Script MT 12/07/2016 09.46.44 [INFO] Adding Font Family: Orator Std 12/07/2016 09.46.44 [INFO] Adding Font Family: Onyx 12/07/2016 09.46.44 [INFO] Adding Font Family: Old English Text MT 12/07/2016 09.46.44 [INFO] Adding Font Family: OCR A Std 12/07/2016 09.46.44 [INFO] Adding Font Family: OCR A Extended 12/07/2016 09.46.44 [INFO] Adding Font Family: Nueva Std Cond 12/07/2016 09.46.44 [INFO] Adding Font Family: NSimSun 12/07/2016 09.46.44 [INFO] Adding Font Family: Nirmala UI Semilight 12/07/2016 09.46.44 [INFO] Adding Font Family: Nirmala UI 12/07/2016 09.46.44 [INFO] Adding Font Family: Niagara Solid 12/07/2016 09.46.44 [INFO] Adding Font Family: Niagara Engraved 12/07/2016 09.46.44 [INFO] Adding Font Family: Myriad Pro Light 12/07/2016 09.46.44 [INFO] Adding Font Family: Myriad Pro Cond 12/07/2016 09.46.44 [INFO] Adding Font Family: Myriad Pro 12/07/2016 09.46.44 [INFO] Adding Font Family: Myanmar Text 12/07/2016 09.46.44 [INFO] Adding Font Family: MV Boli 12/07/2016 09.46.44 [INFO] Adding Font Family: MT Extra 12/07/2016 09.46.44 [INFO] Adding Font Family: MS UI Gothic 12/07/2016 09.46.44 [INFO] Adding Font Family: MS Reference Specialty 12/07/2016 09.46.44 [INFO] Adding Font Family: MS Reference Sans Serif 12/07/2016 09.46.44 [INFO] Adding Font Family: MS PGothic 12/07/2016 09.46.44 [INFO] Adding Font Family: MS Outlook 12/07/2016 09.46.44 [INFO] Adding Font Family: MS Mincho 12/07/2016 09.46.44 [INFO] Adding Font Family: MS Gothic 12/07/2016 09.46.44 [INFO] Adding Font Family: Monotype Corsiva 12/07/2016 09.46.44 [INFO] Adding Font Family: Mongolian Baiti 12/07/2016 09.46.44 [INFO] Adding Font Family: Modern No. 20 12/07/2016 09.46.44 [INFO] Adding Font Family: Mistral 12/07/2016 09.46.44 [INFO] Adding Font Family: Minion Pro SmBd 12/07/2016 09.46.44 [INFO] Adding Font Family: Minion Pro Med 12/07/2016 09.46.44 [INFO] Adding Font Family: Minion Pro Cond 12/07/2016 09.46.44 [INFO] Adding Font Family: Minion Pro 12/07/2016 09.46.44 [INFO] Adding Font Family: MingLiU_HKSCS-ExtB 12/07/2016 09.46.44 [INFO] Adding Font Family: MingLiU-ExtB 12/07/2016 09.46.44 [INFO] Adding Font Family: Microsoft Yi Baiti 12/07/2016 09.46.44 [INFO] Adding Font Family: Microsoft YaHei UI Light 12/07/2016 09.46.44 [INFO] Adding Font Family: Microsoft YaHei UI 12/07/2016 09.46.44 [INFO] Adding Font Family: Microsoft YaHei Light 12/07/2016 09.46.44 [INFO] Adding Font Family: Microsoft YaHei 12/07/2016 09.46.44 [INFO] Adding Font Family: Microsoft Tai Le 12/07/2016 09.46.44 [INFO] Adding Font Family: Microsoft Sans Serif 12/07/2016 09.46.44 [INFO] Adding Font Family: Microsoft PhagsPa 12/07/2016 09.46.44 [INFO] Adding Font Family: Microsoft New Tai Lue 12/07/2016 09.46.44 [INFO] Adding Font Family: Microsoft JhengHei UI Light 12/07/2016 09.46.44 [INFO] Adding Font Family: Microsoft JhengHei UI 12/07/2016 09.46.44 [INFO] Adding Font Family: Microsoft JhengHei Light 12/07/2016 09.46.44 [INFO] Adding Font Family: Microsoft JhengHei 12/07/2016 09.46.44 [INFO] Adding Font Family: Microsoft Himalaya 12/07/2016 09.46.44 [INFO] Adding Font Family: Mesquite Std 12/07/2016 09.46.44 [INFO] Adding Font Family: Matura MT Script Capitals 12/07/2016 09.46.44 [INFO] Adding Font Family: Marlett 12/07/2016 09.46.44 [INFO] Adding Font Family: Malgun Gothic Semilight 12/07/2016 09.46.44 [INFO] Adding Font Family: Malgun Gothic 12/07/2016 09.46.44 [INFO] Adding Font Family: Maiandra GD 12/07/2016 09.46.44 [INFO] Adding Font Family: Magneto 12/07/2016 09.46.44 [INFO] Adding Font Family: Lucida Sans Unicode 12/07/2016 09.46.44 [INFO] Adding Font Family: Lucida Sans Typewriter 12/07/2016 09.46.44 [INFO] Adding Font Family: Lucida Sans 12/07/2016 09.46.44 [INFO] Adding Font Family: Lucida Handwriting 12/07/2016 09.46.44 [INFO] Adding Font Family: Lucida Fax 12/07/2016 09.46.44 [INFO] Adding Font Family: Lucida Console 12/07/2016 09.46.44 [INFO] Adding Font Family: Lucida Calligraphy 12/07/2016 09.46.44 [INFO] Adding Font Family: Lucida Bright 12/07/2016 09.46.44 [INFO] Adding Font Family: Lithos Pro Regular 12/07/2016 09.46.44 [INFO] Adding Font Family: Letter Gothic Std 12/07/2016 09.46.44 [INFO] Adding Font Family: Leelawadee UI Semilight 12/07/2016 09.46.44 [INFO] Adding Font Family: Leelawadee UI 12/07/2016 09.46.44 [INFO] Adding Font Family: Kunstler Script 12/07/2016 09.46.44 [INFO] Adding Font Family: Kristen ITC 12/07/2016 09.46.44 [INFO] Adding Font Family: Kozuka Mincho Pro R 12/07/2016 09.46.44 [INFO] Adding Font Family: Kozuka Mincho Pro M 12/07/2016 09.46.44 [INFO] Adding Font Family: Kozuka Mincho Pro L 12/07/2016 09.46.44 [INFO] Adding Font Family: Kozuka Mincho Pro H 12/07/2016 09.46.44 [INFO] Adding Font Family: Kozuka Mincho Pro EL 12/07/2016 09.46.44 [INFO] Adding Font Family: Kozuka Mincho Pro B 12/07/2016 09.46.44 [INFO] Adding Font Family: Kozuka Gothic Pro R 12/07/2016 09.46.44 [INFO] Adding Font Family: Kozuka Gothic Pro M 12/07/2016 09.46.44 [INFO] Adding Font Family: Kozuka Gothic Pro L 12/07/2016 09.46.44 [INFO] Adding Font Family: Kozuka Gothic Pro H 12/07/2016 09.46.44 [INFO] Adding Font Family: Kozuka Gothic Pro EL 12/07/2016 09.46.44 [INFO] Adding Font Family: Kozuka Gothic Pro B 12/07/2016 09.46.44 [INFO] Adding Font Family: Juice ITC 12/07/2016 09.46.44 [INFO] Adding Font Family: Jokerman 12/07/2016 09.46.44 [INFO] Adding Font Family: Jellyka, Saint-Andrew\'s Queen 12/07/2016 09.46.44 [INFO] Adding Font Family: Javanese Text 12/07/2016 09.46.44 [INFO] Adding Font Family: Informal Roman 12/07/2016 09.46.44 [INFO] Adding Font Family: Imprint MT Shadow 12/07/2016 09.46.44 [INFO] Adding Font Family: Impact 12/07/2016 09.46.44 [INFO] Adding Font Family: Hobo Std 12/07/2016 09.46.44 [INFO] Adding Font Family: High Tower Text 12/07/2016 09.46.44 [INFO] Adding Font Family: Harrington 12/07/2016 09.46.44 [INFO] Adding Font Family: Harlow Solid Italic 12/07/2016 09.46.44 [INFO] Adding Font Family: Haettenschweiler 12/07/2016 09.46.44 [INFO] Adding Font Family: Goudy Stout 12/07/2016 09.46.44 [INFO] Adding Font Family: Goudy Old Style 12/07/2016 09.46.44 [INFO] Adding Font Family: Gloucester MT Extra Condensed 12/07/2016 09.46.44 [INFO] Adding Font Family: Gill Sans Ultra Bold Condensed 12/07/2016 09.46.44 [INFO] Adding Font Family: Gill Sans Ultra Bold 12/07/2016 09.46.44 [INFO] Adding Font Family: Gill Sans MT Ext Condensed Bold 12/07/2016 09.46.44 [INFO] Adding Font Family: Gill Sans MT Condensed 12/07/2016 09.46.44 [INFO] Adding Font Family: Gill Sans MT 12/07/2016 09.46.44 [INFO] Adding Font Family: Gigi 12/07/2016 09.46.44 [INFO] Adding Font Family: Giddyup Std 12/07/2016 09.46.44 [INFO] Adding Font Family: Georgia 12/07/2016 09.46.44 [INFO] Adding Font Family: Garamond 12/07/2016 09.46.44 [INFO] Adding Font Family: Gadugi 12/07/2016 09.46.44 [INFO] Adding Font Family: Gabriola 12/07/2016 09.46.44 [INFO] Adding Font Family: French Script MT 12/07/2016 09.46.44 [INFO] Adding Font Family: Freestyle Script 12/07/2016 09.46.44 [INFO] Adding Font Family: Franklin Gothic Medium Cond 12/07/2016 09.46.44 [INFO] Adding Font Family: Franklin Gothic Medium 12/07/2016 09.46.44 [INFO] Adding Font Family: Franklin Gothic Heavy 12/07/2016 09.46.44 [INFO] Adding Font Family: Franklin Gothic Demi Cond 12/07/2016 09.46.44 [INFO] Adding Font Family: Franklin Gothic Demi 12/07/2016 09.46.44 [INFO] Adding Font Family: Franklin Gothic Book 12/07/2016 09.46.44 [INFO] Adding Font Family: Forte 12/07/2016 09.46.44 [INFO] Adding Font Family: Footlight MT Light 12/07/2016 09.46.44 [INFO] Adding Font Family: Ferro Rosso 12/07/2016 09.46.44 [INFO] Adding Font Family: Felix Titling 12/07/2016 09.46.44 [INFO] Adding Font Family: Eras Medium ITC 12/07/2016 09.46.44 [INFO] Adding Font Family: Eras Light ITC 12/07/2016 09.46.44 [INFO] Adding Font Family: Eras Demi ITC 12/07/2016 09.46.44 [INFO] Adding Font Family: Eras Bold ITC 12/07/2016 09.46.44 [INFO] Adding Font Family: Engravers MT 12/07/2016 09.46.44 [INFO] Adding Font Family: Elephant 12/07/2016 09.46.44 [INFO] Adding Font Family: Edwardian Script ITC 12/07/2016 09.46.44 [INFO] Adding Font Family: Eccentric Std 12/07/2016 09.46.44 [INFO] Adding Font Family: Ebrima 12/07/2016 09.46.44 [INFO] Adding Font Family: Curlz MT 12/07/2016 09.46.44 [INFO] Adding Font Family: Courier New 12/07/2016 09.46.44 [INFO] Adding Font Family: Corbel 12/07/2016 09.46.44 [INFO] Adding Font Family: Copperplate Gothic Light 12/07/2016 09.46.44 [INFO] Adding Font Family: Copperplate Gothic Bold 12/07/2016 09.46.44 [INFO] Adding Font Family: Cooper Std Black 12/07/2016 09.46.44 [INFO] Adding Font Family: Cooper Black 12/07/2016 09.46.44 [INFO] Adding Font Family: Constantia 12/07/2016 09.46.44 [INFO] Adding Font Family: Consolas 12/07/2016 09.46.44 [INFO] Adding Font Family: Comic Sans MS 12/07/2016 09.46.44 [INFO] Adding Font Family: Colonna MT 12/07/2016 09.46.44 [INFO] Adding Font Family: Chiller 12/07/2016 09.46.44 [INFO] Adding Font Family: Charlemagne Std 12/07/2016 09.46.44 [INFO] Adding Font Family: Chaparral Pro 12/07/2016 09.46.44 [INFO] Adding Font Family: Century Schoolbook 12/07/2016 09.46.44 [INFO] Adding Font Family: Century Gothic 12/07/2016 09.46.44 [INFO] Adding Font Family: Century 12/07/2016 09.46.44 [INFO] Adding Font Family: Centaur 12/07/2016 09.46.44 [INFO] Adding Font Family: Castellar 12/07/2016 09.46.44 [INFO] Adding Font Family: Candara 12/07/2016 09.46.44 [INFO] Adding Font Family: Cambria Mat

Altri possibili rimedi?

grazie!

Buongiorno Fabio,

grazie per il report dell'errore,

prova a rimuoverli tutti e reinstallarli completamente, poi puoi anche provare a ripristinare i framework con la seguente procedura:
Apri il pannello di controllo > Programmi e funzionalità > Attivazione o disattivazione delle funzionalità Windows
Disattiva il box Microsoft .NET Framework 3.5.1 e poi clicca su ok. Dopo disattiva .NET 4.6 e clicca su ok. Quando entrambi sono stati disattivati vanno nuovamente attivati e va premuto successivamente su OK.

Facci sapere.

Ciao e grazie per l'aiuto!

Purtroppo nulla di tutto ciò ha funzionato, ho seguito alla lettera il procedimento, me esce fuori sempre il solito errore, avevo una vecchia versione di questo programma, ha sempre funzionato, la cambio per sfizio e sto avendo solo problemi e basta.....

Ciao,

Problema risolto!!  Adesso funziona tutto bene.

Grazie mille per il supporto.

Fabio