Visual Studio crash problem - help

Visual Studio crash problem - help

Cancelled

Job Description

I need help getting my Visual Studio 2012 running - it crashes immediately after it starts with these error messages in event viewer:

Program: devenv.exe
Framework-version: v4.0.30319
Beskrivelse: Denne proces blev afsluttet pga. en ubehandlet undtagelse.
Undtagelsesoplysninger: System.InvalidCastException
Stak:
ved System.Runtime.CompilerServices.AsyncMethodBuilderCore.<ThrowAsync>b__1(System.Object)
ved System.Threading.QueueUserWorkItemCallback.WaitCallback_Context(System.Object)
ved System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
ved System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
ved System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
ved System.Threading.ThreadPoolWorkQueue.Dispatch()
ved System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()

and afterwards this:

Navn på program med fejl: devenv.exe, version: 11.0.50727.1, tidsstempel: 0x5011ecaa
Navn på modul med fejl: KERNELBASE.dll, version: 6.2.9200.16451, tidsstempel: 0x50988950
Undtagelseskode: 0xe0434352
Forskydning med fejl 0x00014b32
Proces-id 0xd98
Programmets starttidspunkt 0x01cdfe36fbb3b1dc
Programsti: C:\Program Files (x86)\Microsoft Visual Studio 11.0\Common7\IDE\devenv.exe
Modulsti: C:\WINDOWS\SYSTEM32\KERNELBASE.dll
Rapport-id: 3cba8a66-6a2a-11e2-be76-001c42348604
Fuldt navn på program med fejl:
Relativt program-id for program med fejl:

It is a new installation of Visual Studio and re-install or repair does not solve the issue. It runs on a Macbook Pro with Parallels 8 on Windows 8...