Seem to be getting an issue with my grunt sass task requiring absolute paths. Not sure what change has caused this.
The issue however seems to be resolved when you I used absolute paths within the Grunt task. The paths are correct as they work across the team.
Versions:
Sass - 3.4.21 (Selective Steve)
Node - v4.2.4
Ruby - ruby 1.9.3p551 (2014-11-13) [i386-mingw32]
Grunt - grunt-cli v1.2.0, grunt v0.4.5
These versions are also consistent within the team. However I seem to be the only one affected.
Solved: had to remove the value set for AutoRun within HKEY_CURRENT_USER\Software\Microsoft\Command Processor