keil compilation problem

Hi,

I am running vista operating system and i am not able to comile my source,i am getting below error,please help me to resolve the same.

Build target 'LPC 2138'
assembling Startup.s...
compiling MpCryptoComm.c...
C:\Cygnus\Arm-Tools\Bin\arm-uclibc-gcc.exe: *** cygheap version mismatch detected - 0x0/0x615F0000.
reside in x:\cygwin\bin, where 'x' is the drive on which you have 2 [main] arm-uclibc-gcc 3432 sync_with_child: child 3348(0x114) died before initialization with status code 0x1 3292 [main] arm-uclibc-gcc 3432 sync_with_child: *** child state waiting for longjmp
C:\Cygnus\Arm-Tools\Bin\arm-uclibc-gcc.exe: *** cygheap version mismatch detected - 0x0/0x615F0000.
reside in x:\cygwin\bin, where 'x' is the drive on which you have
1028551 [main] arm-uclibc-gcc 3432 sync_with_child: child 3324(0x12C) died before initialization with status code 0x1
1030269 [main] arm-uclibc-gcc 3432 sync_with_child: *** child state waiting for longjmp
C:\Cygnus\Arm-Tools\Bin\arm-uclibc-gcc.exe: *** cygheap version mismatch detected - 0x0/0x615F0000.
reside in x:\cygwin\bin, where 'x' is the drive on which you have
3052236 [main] arm-uclibc-gcc 3432 sync_with_child: child 1616(0x138) died before initialization with status code 0x1
3054026 [main] arm-uclibc-gcc 3432 sync_with_child: *** child state waiting for longjmp
C:\Cygnus\Arm-Tools\Bin\arm-uclibc-gcc.exe: *** cygheap version mismatch detected - 0x0/0x615F0000.
reside in x:\cygwin\bin, where 'x' is the drive on which you have
7076617 [main] arm-uclibc-gcc 3432 sync_with_child: child 5672(0x144) died before initialization with status code 0x1
7092278 [main] arm-uclibc-gcc 3432 sync_with_child: *** child state waiting for longjmp
arm-uclibc-gcc: fork: Resource temporarily unavailable

Regards
Jalsa