Errors when run Nios II IDE

[Altera_Forum]

I used NiosII IDE v11.1. First, I built the folder Software in VIP program, it run okie. When I built it again, immediately, it got errors. 

 make -s all includes   2 [main] ? (106112) C:\altera\11.1\quartus\bin\cygwin\bin\sh.exe: *** fatal error - couldn't allocate heap, Win32 error 487, base 0x680000, top 0x690000, reserve_size 61440, allocsize 65536, page_const 4096  1 [main] sh 72088 fork: child -1 - died waiting for longjmp before initialization, retry 0, exit code 0x100, errno 11 /bin/sh: fork: Resource temporarily unavailable Build completed in 12.338 seconds  Please explain what erros? and how to fix it? Thanks

[Altera_Forum]

Check Quartus license path.

[Altera_Forum]

That'll be part of the general problem that cygwin has in trying to implement fork(). 

The easist thing is to 'live with it' and just rerequest the build. The next easiest is to convert to linux.