System.web.mvc missing

We have an old ASP.NET MVC 3 Web Application, building in VS2010, that fails to compile, since last week’s security update. The problem is that the reference to System.Web.Mvc.dll is broken. When I open the solution file on our build machine, where the security update has not run, and open the properties dialog for References->System.Web.MVC, … Read more

Visual Studio error “Object reference not set to an instance of an object” after install of ASP.NET and Web Tools 2015

Maybe this helps: Delete the contents from the following folders: C:\Users\%userprofile%\AppData\Local\Microsoft\VisualStudio C:\Users\%userprofile%\AppData\Local\Microsoft\VSCommon Sometimes, you need to go to: [x64] C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE [x86] C:\Program Files\Microsoft Visual Studio 14.0\Common7\IDE and run devenv /resetuserdata. Expect, that all of your user settings such as Visual Studio layout, linked Microsoft account or start page might disappear.

W3WP.EXE using 100% CPU – where to start?

Standard Windows performance counters (look for other correlated activity, such as many GET requests, excessive network or disk I/O, etc); you can read them from code as well as from perfmon (to trigger data collection if CPU use exceeds a threshold, for example) Custom performance counters (particularly to time for off-box requests and other calls … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)