System Workbench for STM32

I am getting this error having just installed SW4STM32 v2.0.

It happens on a 'clean' of the Project:

18:09:29 **** Clean-only build of configuration Debug for project L4_DAC_ADC ****
make -j4 clean 
rm -rf *
      0 [main] us 0 init_cheap: VirtualAlloc pointer is null, Win32 error 487
AllocationBase 0x0, BaseAddress 0x60EA0000, RegionSize 0x430000, State 0x10000
C:\bin\Ac6\SW4STM32_200\plugins\fr.ac6.mcu.externaltools.arm-none.win32_1.13.2.201705091103\tools\make\sh.exe: *** Couldn't reserve space for cygwin's heap, Win32 error 0
make: [clean] Error 1 (ignored)
 

18:09:29 Build Finished (took 143ms)