Ho reinstallato il software ma questo è il messaggio di errore che si ripresenta di continuo: 

(Platform: x64) 20/10/2020 15:18:45.726 [EXCEPTION] Element can\'t be selected for next position in the grid WebSiteX5.BL in WebsiteX5.BL.Responsive.RecoverConsistentPositionStrategy.Run() in WebsiteX5.BL.GridPage.<>c__DisplayClass52_1.<RebuildGridAndGroups>b__0() in System.Threading.Tasks.Task.Execute() 20/10/2020 15:18:45.725 [EXCEPTION] Si sono verificati uno o più errori. mscorlib in System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions) in System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken) in WebsiteX5.BL.GridPage.RebuildGridAndGroups() in WebsiteX5.BL.GridPage.Update(GridPageCreationFacade other) in WebsiteX5.BL.Helpers.Transaction`1.Commit() in A.LM.J() in A.IJ.B(Object , EventArgs ) in A.PI.L(Object , MouseEventArgs ) in System.Windows.Forms.Control.OnMouseUp(MouseEventArgs e) in System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) in System.Windows.Forms.Control.WndProc(Message& m) in System.Windows.Forms.Label.WndProc(Message& m) in System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) 20/10/2020 15:18:45.633 [INFO] Recover Responsive - Start 20/10/2020 15:18:37.487 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 20/10/2020 15:18:37.473 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 20/10/2020 15:18:37.473 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 20/10/2020 15:18:37.440 [INFO] wizPageCreation 20/10/2020 15:18:37.387 [INFO] WSX5 Invoke Helper: You cannot change this property until the window handle is created! 20/10/2020 15:18:37.244 [INFO] Loading Atalasoft.dotImage.WinControls, Version=9.0.2.43320, Culture=neutral, PublicKeyToken=2b02b46f7326f73b 20/10/2020 15:18:35.833 [INFO] wizPlanWebsite 20/10/2020 15:18:35.802 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 20/10/2020 15:18:35.520 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 20/10/2020 15:18:34.456 [INFO] Saved! 20/10/2020 15:18:34.456 [INFO] Saving Metadata... 20/10/2020 15:18:33.168 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 20/10/2020 15:18:33.005 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 20/10/2020 15:18:32.927 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 20/10/2020 15:18:32.605 [INFO] Waiting 1 Threads 20/10/2020 15:18:32.496 [INFO] Waiting 12 Threads 20/10/2020 15:18:32.387 [INFO] Waiting 21 Threads 20/10/2020 15:18:31.945 [INFO] Waiting 23 Threads 20/10/2020 15:18:31.898 [INFO] Loading System.Data, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 20/10/2020 15:18:31.866 [INFO] Loading Atalasoft.dotImage.Lib, Version=9.0.2.43320, Culture=neutral, PublicKeyToken=2b02b46f7326f73b 20/10/2020 15:18:31.851 [INFO] Loading Atalasoft.Shared, Version=3.0.0.4, Culture=neutral, PublicKeyToken=2b02b46f7326f73b 20/10/2020 15:18:31.662 [INFO] wizGeneralSettings 20/10/2020 15:18:31.592 [INFO] C:\\Users\\Utente\\Documents\\Incomedia\\WebSite X5 - Pro\\AK-NA\\AK-NA It (Home) 1\\Preview | Server accepting requests 20/10/2020 15:18:31.530 [INFO] Execute: wsx5.edition = \'Professional\';wsx5.version = \'2019.1.8.1\';wsx5.uiLanguageId = \'IT\';wsx5.contentLanguageId = \'IT\';wsx5.pathResFolder = \'../../res/\';wsx5.fullWidthMaxWidth = 2560;wsx5.responsiveEnabled = true;wsx5.breakpoints = [{\"name\": \"Desktop\",\"start\": \"max\",\"end\": 980,\"fluid\": false},{\"name\": \"Breakpoint 1\",\"start\": 979,\"end\": 720,\"fluid\": false},{\"name\": \"Mobile\",\"start\": 719,\"end\": 480,\"fluid\": false},{\"name\": \"Mobile Fluid\",\"start\": 479,\"end\": 0,\"fluid\": true}];wsx5[\'getSiteUrl\'] = function (path) { return \'http://192.168.1.180:8080/\' + (!!path ? path : \'\'); }; 20/10/2020 15:18:31.467 [INFO] Saved! 20/10/2020 15:18:31.467 [INFO] Saving Metadata... 20/10/2020 15:18:31.430 [INFO] Adding Font Family: Wild Ride 20/10/2020 15:18:31.430 [INFO] Adding Font Family: Verdana 20/10/2020 15:18:31.430 [INFO] Adding Font Family: Trebuchet MS 20/10/2020 15:18:31.430 [INFO] Adding Font Family: Times New Roman 20/10/2020 15:18:31.430 [INFO] Adding Font Family: Tahoma 20/10/2020 15:18:31.429 [INFO] Adding Font Family: Palatino Linotype 20/10/2020 15:18:31.429 [INFO] Adding Font Family: Lucida Sans Unicode 20/10/2020 15:18:31.429 [INFO] Adding Font Family: Lucida Console 20/10/2020 15:18:31.429 [INFO] Adding Font Family: Impact 20/10/2020 15:18:31.429 [INFO] Adding Font Family: Georgia 20/10/2020 15:18:31.429 [INFO] Adding Font Family: Courier New 20/10/2020 15:18:31.429 [INFO] Adding Font Family: Comic Sans MS 20/10/2020 15:18:31.429 [INFO] Adding Font Family: Book Antiqua 20/10/2020 15:18:31.429 [INFO] Adding Font Family: Arial Black 20/10/2020 15:18:31.429 [INFO] Adding Font Family: Arial 20/10/2020 15:18:31.294 [INFO] site | Server ready 20/10/2020 15:18:31.294 [INFO] site | Server failed to start: Already running 20/10/2020 15:18:27.214 [INFO] Execute: wsx5.edition = \'Professional\';wsx5.version = \'2019.1.8.1\';wsx5.uiLanguageId = \'IT\';wsx5.contentLanguageId = \'\';wsx5.pathResFolder = \'../../res/\';wsx5.fullWidthMaxWidth = 2560;wsx5.responsiveEnabled = false;wsx5.breakpoints = []; 20/10/2020 15:18:26.973 [INFO] Loading jint, Version=2.10.4.0, Culture=neutral, PublicKeyToken=2e92ba9c8d81157f 20/10/2020 15:18:26.804 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 20/10/2020 15:18:26.749 [INFO] Loading CefSharp.OffScreen, Version=57.0.0.0, Culture=neutral, PublicKeyToken=40c4b6fc221f4138 20/10/2020 15:18:26.739 [INFO] Adding Font Family: Wild Ride 20/10/2020 15:18:26.713 [INFO] Adding Font Family: Verdana 20/10/2020 15:18:26.713 [INFO] Adding Font Family: Trebuchet MS 20/10/2020 15:18:26.713 [INFO] Adding Font Family: Times New Roman 20/10/2020 15:18:26.713 [INFO] Adding Font Family: Tahoma 20/10/2020 15:18:26.713 [INFO] Adding Font Family: Palatino Linotype 20/10/2020 15:18:26.712 [INFO] Adding Font Family: Lucida Sans Unicode 20/10/2020 15:18:26.712 [INFO] Adding Font Family: Lucida Console 20/10/2020 15:18:26.712 [INFO] Adding Font Family: Impact 20/10/2020 15:18:26.712 [INFO] Adding Font Family: Georgia 20/10/2020 15:18:26.712 [INFO] Adding Font Family: Courier New 20/10/2020 15:18:26.712 [INFO] Adding Font Family: Comic Sans MS 20/10/2020 15:18:26.712 [INFO] Adding Font Family: Book Antiqua 20/10/2020 15:18:26.712 [INFO] Adding Font Family: Arial Black 20/10/2020 15:18:26.705 [INFO] Adding Font Family: Arial 20/10/2020 15:18:24.873 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 20/10/2020 15:18:24.795 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 20/10/2020 15:18:24.719 [INFO] site | Server ready 20/10/2020 15:18:24.719 [INFO] site | Server failed to start: Already running 20/10/2020 15:18:22.949 [INFO] Loading Microsoft.WindowsAPICodePack, Version=1.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35 20/10/2020 15:18:22.947 [INFO] site | Server ready 20/10/2020 15:18:22.947 [INFO] site | Server running on 192.168.1.180:8080 20/10/2020 15:18:22.907 [INFO] Loading Microsoft.WindowsAPICodePack.Shell, Version=1.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35 20/10/2020 15:18:18.859 [INFO] Loading System.Windows.Forms.resources, Version=4.0.0.0, Culture=it, PublicKeyToken=b77a5c561934e089 20/10/2020 15:18:17.130 [INFO] Loading System.resources, Version=4.0.0.0, Culture=it, PublicKeyToken=b77a5c561934e089 20/10/2020 15:18:16.982 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 20/10/2020 15:18:16.970 [INFO] wizProjectSelection 20/10/2020 15:17:08.517 [INFO] Loading System.ServiceModel, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 20/10/2020 15:17:08.461 [INFO] wizStart 20/10/2020 15:17:08.453 [INFO] Loading mscorlib.resources, Version=4.0.0.0, Culture=it, PublicKeyToken=b77a5c561934e089 20/10/2020 15:17:08.362 [INFO] Loading WebSiteX5.Resources, Version=2019.1.1.0, Culture=neutral, PublicKeyToken=55265808593be4c5 20/10/2020 15:17:08.195 [INFO] Loading CefSharp.WinForms, Version=57.0.0.0, Culture=neutral, PublicKeyToken=40c4b6fc221f4138 20/10/2020 15:17:08.109 [INFO] Loading CefSharp, Version=57.0.0.0, Culture=neutral, PublicKeyToken=40c4b6fc221f4138 20/10/2020 15:17:08.089 [INFO] Loading CefSharp.Core, Version=57.0.0.0, Culture=neutral, PublicKeyToken=40c4b6fc221f4138 20/10/2020 15:17:08.054 [INFO] Loading WebSiteX5.Browser, Version=6.0.0.0, Culture=neutral, PublicKeyToken=90163a1b10d8b8a5 20/10/2020 15:17:07.924 [INFO] Opening the Main Window 20/10/2020 15:17:07.924 [INFO] Creating Wizard Manager 20/10/2020 15:17:07.920 [INFO] Configuring Form Main 20/10/2020 15:17:03.728 [INFO] Loaded Start Page 20/10/2020 15:17:03.573 [INFO] Creating WBE 20/10/2020 15:17:03.572 [INFO] Updating Libraries - End 20/10/2020 15:17:02.983 [INFO] Updating PluginApps 20/10/2020 15:17:02.508 [INFO] Updating Templates 20/10/2020 15:17:01.199 [INFO] Updating User Status 20/10/2020 15:17:01.199 [INFO] Updating Libraries - Start 20/10/2020 15:17:01.199 [INFO] Loading Libraries - End 20/10/2020 15:17:01.199 [INFO] Loading Start Page... 20/10/2020 15:17:01.183 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 20/10/2020 15:17:01.183 [INFO] Loading Cart Steps Styles 20/10/2020 15:17:01.074 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 20/10/2020 15:17:00.996 [INFO] Loading Cell Formats 20/10/2020 15:17:00.871 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 20/10/2020 15:17:00.615 [INFO] Loading Atalasoft.dotImage, Version=9.0.2.43320, Culture=neutral, PublicKeyToken=2b02b46f7326f73b 20/10/2020 15:17:00.615 [INFO] Loading Rebex.Ftp, Version=4.0.6426.0, Culture=neutral, PublicKeyToken=1c4638788972655d 20/10/2020 15:17:00.599 [INFO] Loading Image Editor Properties 20/10/2020 15:17:00.584 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 20/10/2020 15:17:00.584 [INFO] Loading Templates 20/10/2020 15:17:00.552 [INFO] Loading PluginApps 20/10/2020 15:17:00.552 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 20/10/2020 15:17:00.552 [INFO] Loading Buttons Styles 20/10/2020 15:17:00.548 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 20/10/2020 15:17:00.546 [INFO] Loading Buttons 20/10/2020 15:17:00.389 [INFO] Loading Languages 20/10/2020 15:17:00.382 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 20/10/2020 15:17:00.380 [INFO] Loading Currencies 20/10/2020 15:17:00.380 [INFO] Ensure Projects Folder Exists 20/10/2020 15:17:00.352 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 20/10/2020 15:17:00.347 [INFO] Loading Settings 20/10/2020 15:17:00.309 [INFO] Loading Libraries - Start 20/10/2020 15:17:00.309 [INFO] Installing Libraries - End 20/10/2020 15:17:00.306 [INFO] Installing Libraries - Start 20/10/2020 15:17:00.304 [INFO] Splash Screen 20/10/2020 15:17:00.292 [INFO] Loading WebsiteX5.Localization, Version=2019.1.8.0, Culture=neutral, PublicKeyToken=9200094a554074ea 20/10/2020 15:17:00.193 [INFO] Loading DevComponents.DotNetBar2, Version=12.7.0.3, Culture=neutral, PublicKeyToken=7eb7c3a35b91de04 20/10/2020 15:17:00.150 [INFO] Starting Form Main 20/10/2020 15:16:59.995 [INFO] Loading System.Management, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a 20/10/2020 15:16:59.979 [INFO] Loading Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null 20/10/2020 15:16:59.979 [INFO] Checking Licence 20/10/2020 15:16:59.979 [INFO] Looking for Referrer 20/10/2020 15:16:59.979 [INFO] Looking for Startup Arguments 20/10/2020 15:16:59.964 [INFO] Loading System.Web, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a 20/10/2020 15:16:59.964 [INFO] Loading System.Web.Extensions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35 20/10/2020 15:16:59.964 [INFO] Loading System.IO.Abstractions, Version=2.1.0.178, Culture=neutral, PublicKeyToken=96bf224d23c43e59 20/10/2020 15:16:59.964 [INFO] Checking Local App Data Folder 20/10/2020 15:16:59.964 [INFO] Cleaning Startup Path

Come posso risolvere? 

Grazie, Cordiali saluti