急！GIT clone的时候报错

git.exe clone --branch hjws --progress -v "git@172.72.101.189:gxfw-project.git" "D:\GXHJWS"

Cloning into 'D:\GXHJWS'...
0 [main] us 0 init_cheap: VirtualAlloc pointer is null, Win32 error 487
AllocationBase 0x0, BaseAddress 0x68570000, RegionSize 0x2D0000, State 0x10000
C:\Program Files (x86)\Git\bin\ssh.exe: *** Couldn't reserve space for cygwin's heap, Win32 error 0
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.

git did not exit cleanly (exit code 128) (938 ms @ 2016/8/25 10:13:29)