Warewolf server crashed

I tried to click 'edit' on a service proc in my designer and the edit window opened but the progress wheel just remained spinning.

Wareworf server then crashed.

Details from the Application Log:

1.

Faulting application name: Warewolf Server.exe, version: 0.3.1.1, time stamp: 0x51decfcb

Faulting module name: clr.dll, version: 4.0.30319.18052, time stamp: 0x5173c114

Exception code: 0xc0000005

Fault offset: 0x000000000005b074

Faulting process id: 0xcdc

Faulting application start time: 0x01ce8385673cd772

Faulting application path: C:\Program Files (x86)\Warewolf\Server\Warewolf Server.exe

Faulting module path: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\clr.dll

Report Id: 030305a3-f431-11e2-ac0c-70f3951b032e

2.

Application: Warewolf Server.exe

Framework Version: v4.0.30319

Description: The process was terminated due to an internal error in the .NET Runtime at IP 000007FEF07AB074 (000007FEF0750000) with exit code 80131506.