CE should automatically run and sign in at logon, but it does not. I got these error messages on successive boot-ups. Although the CEHelper application is running in Task Manager, there is no CE icon in the system tray so I am unable to sign in and gain Internet access.
I am running Windows 7 SP1 and CE had worked fine since I installed it about 6 weeks ago. Last weekend I updated Windows and installed Office 2013. One of the largest updates was to .NET Framework/Visual Studio which might explain the error message. If you have a developer or project called Jenkins, then that would be a good place to start because the directory tree in the screenshot doesn't relate to anything on my system.