vscode-csharp: '""' is not recognized as an internal or external command,

Environment data

dotnet --info output:

.NET Command Line Tools (2.1.103)

Product Information:
 Version:            2.1.103
 Commit SHA-1 hash:  60218cecb5

Runtime Environment:
 OS Name:     Windows
 OS Version:  10.0.16299
 OS Platform: Windows
 RID:         win10-x64
 Base Path:   C:\Program Files\dotnet\sdk\2.1.103\


Microsoft .NET Core Shared Framework Host



  Version  : 2.0.6

  Build    : 74b1c703813c8910df5b96f304b0f2b78cdf194d

VS Code version:

Version 1.21.1
Commit 79b44aa704ce542d8ca4a3cc44cfca566e7720f1
Date 2018-03-14T14:46:47.128Z
Shell 1.7.9
Renderer 58.0.3029.110
Node 7.9.0
Architecture x64

C# Extension version:

1.14.0

Steps to reproduce

Install the extension, nothing is working

Expected behavior

Intellisense, navigate to errors etc etc etc

Actual behavior

Error in bottom right of vscode, after clicking on it:

Starting OmniSharp server at 2018-3-27 23:35:39
    Target: c:\Users\Bassie\Source\github\QC Core

OmniSharp server started
    Path: <Path to the omnisharp executable>
    PID: 10000

'"<Path to the omnisharp executable>"' is not recognized as an internal or external command,
operable program or batch file.
Starting OmniSharp server at 2018-3-27 23:36:03
    Target: c:\Users\Bassie\Source\github\QC Core

OmniSharp server started
    Path: <Path to the omnisharp executable>
    PID: 8636

'"<Path to the omnisharp executable>"' is not recognized as an internal or external command,
operable program or batch file.
[ERROR] Error: OmniSharp server load timed out. Use the 'omnisharp.projectLoadTimeout' setting to override the default delay (one minute).