at startup it gives this error
devenv.exe – Application Error Unknown Software Exception (0xc06d007e) in the application at 0x74bfc52f.
VS has two errors in the event log
1) source: Application erorr, event ID: 1000
Faulting application name: devenv.exe, version: 14.0.25123.0, time stamp: 0x56f22f32 Faulting module name: KERNELBASE.dll, version: 6.1.7601.19135, time stamp 0x56a1c79e Exception code: 0xc06d007e Error offset: 0x0000c52f Process ID 0xe6c Failed process start time: Faulting application: 0x01d3e146ae3fd9b0 Faulting application path: C: \ Program Files (x86) \ Microsoft Visual Studio 14.0 \ Common7 \ IDE \ devenv.exe Faulting module path: C: \ Windows \ syswow64 \ KERNELBASE.dll Report code: ec574589-4d39- 11e8-b4cd-020351076464
2) source: .Net Runtime, event ID: 1026
Application: devenv.exe Platform version: v4.0.30319 Description. The process was terminated due to an unhandled exception. Exception Details: Exception Code c06d007e, Exception Address 767BC52F
The .Net Frameworka update helped, there were versions up to 4.6.1 installed 4.7