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Win32 error 487 - couldn't allocate heap

I'm trying to build Example 2 of the MCSDK (2.00.05.17) for the EVM6670le on a Windows XP machine with CCS 5.1.0.09000   This example uses the RTSC.  I get the following error when building the project:

**** Build of configuration Debug for project led_play_RTSC ****

C:\Program Files\Texas Instruments\ccsv5\utils\bin\gmake -k all
'Building file: ../led_play_RTSC.cfg'
'Invoking: XDCtools'
"C:/Program Files/Texas Instruments/xdctools_3_22_04_46/xs" --xdcpath="C:/Program Files/Texas Instruments/pdk_C6670_1_0_0_17/packages;C:/Program Files/Texas Instruments/bios_6_32_05_54/packages;" xdc.tools.configuro -o configPkg -t ti.targets.elf.C66 -p ti.platforms.evm6670 -r debug -c "C:/Program Files/Texas Instruments/ccsv5/tools/compiler/c6000" "../led_play_RTSC.cfg"
      7 [main] ? (3452) C:\Program Files\Texas Instruments\xdctools_3_22_04_46\bin\sh.exe: *** fatal error - couldn't allocate heap, Win32 error 487, base 0x810000, top 0x820000, reserve_size 61440, allocsize 65536, page_const 4096

I rename all instances of cygwin1.dll except for that located in the xdc folder (Ver 3.22.04.46) but that did not solve my problem.   I'm at a standstill on what to try next.  Any help would be appreciated.

Thanks.