Resharper Unit test Task Runner crashes and tests stopped running with message test is inconclusive

When running NUnit tests in Visual Studio 2015, all my unit tests stopped running with the message test is inconclusive and I see the following error 

C:\Users\..\AppData\Local\JetBrains\Installations\ReSharperPlatformVs14\JetBrains.ReSharper.TaskRunner.CLR45.x64.exe:49476 exited with code '-1073741819'

I also get a pop up for Task Runner crash with following details:

Task Runner Application has stopped working

Problem signature:
Problem Event Name: APPCRASH
Application Name: JetBrains.ReSharper.TaskRunner.CLR45.x64.exe
Application Version: 108.0.0.0
Application Timestamp: 58e78776
Fault Module Name: ntdll.dll
Fault Module Version: 6.1.7601.23796
Fault Module Timestamp: 590296ce
Exception Code: c0000005
Exception Offset: 00000000000181ed
OS Version: 6.1.7601.2.1.0.256.48
Locale ID: 1033
Additional Information 1: 19f4
Additional Information 2: 19f43eb21ab07c9fe5bd56bcaf7f8e7e
Additional Information 3: 295a
Additional Information 4: 295a8c1c0552a89652862f089abceae6