Troubleshoot

Logging
Logging in DotNetBrowser is disabled by default. To get DotNetBrowser log messages you must enable logging. Log messages can be printed into console or file...
Thu, 2 Nov, 2017 at 12:04 PM
Debugging Native Process Crashes
By default, when Chromium engine is crashed, DotNetBrowser generates DMP crash dump file and stores it in the %localappdata%\DotNetBrowser\dotnetbrowser.dmp...
Tue, 18 Sep, 2018 at 1:03 PM
DotNetBrowser.Chromium.exe and Terminating the Application
When your application is running, you can notice several DotNetBrowser.Chromium.exe processes in the task manager. These processes are always the child proc...
Thu, 2 Feb, 2017 at 8:25 PM
ConfuserEx and Visual Studio 2013 Crashes for VB.NET
There is a known issue related to using DotNetBrowser with Studio 2013 in VB.NET projects. Symptoms: Visual Studio 2013 crashes immediately when adding...
Mon, 20 Feb, 2017 at 12:31 PM
WinForms — Heavyweight Rendering and DPI Awareness
DotNetBrowser recognizes device scale factor that is used in environments with HiDPI displays and renders HTML content corresponding to that scale factor. ...
Mon, 20 Feb, 2017 at 12:27 PM
“Reference could not be resolved” Error when Compiling Under .NET Framework 4.0
When compiling your application under .NET Framework 4.0 in Visual Studio 2015, you may face the following warning: warning MSB3275: The primary referen...
Fri, 17 Feb, 2017 at 1:22 PM
"The function evaluation requires all threads to run." message in Debugger or Quick Watch
When you are trying to use Quick Watch or evaluate some DotNetBrowser expressions when your application is paused by debugger (e.g. a breakpoint was hit), y...
Wed, 18 Oct, 2017 at 8:40 AM
"Cross-thread operation not valid: Control accessed from a thread other than the thread it was created on."
When you are trying to modify UI on the DotNetBrowser event, you can see System.InvalidOperationException with the description: "Cross-thread operation...
Thu, 13 Apr, 2017 at 1:08 PM
WPF — Touch Screen Issue on Windows 7
There is a known issue related to using WPFBrowserView (heavyweight rendering mode) in Windows 7 environment with touch screen. Sometimes some touch events ...
Tue, 23 May, 2017 at 1:48 PM
"The Chromium profile directory is already used/locked by another BrowserContext instance or process" Exception on BrowserFactory.Create
When running your application with DotNetBrowser 1.11 or later, you may see the following exception: DotNetBrowser.BrowserException: Failed to create Br...
Thu, 23 Nov, 2017 at 10:07 AM
WinForms application layout was broken after update
After updating to DotNetBrowser 1.17 and higher versions you may encounter with unexpected layout issue. You may see that WinFormsBrowserView doesn't f...
Fri, 31 Aug, 2018 at 1:54 PM