请教VtoolsD的编译问题？

我用VC++6.0编译VtoolsD的例子Hello产生如下的错误请教解决办法!
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--------------------Configuration: Hello1 - Win32 Debug--------------------
Microsoft (R) Program Maintenance Utility   Version 6.00.8168.0
Copyright (C) Microsoft Corp 1988-1998. All rights reserved.
 set INCLUDE=.;e:\VTD95\INCLUDE;
 set CL= /Zp /Gs /c /bzalign /Zl /Ogasb1 /Oi /D_X86_ /DIS_32 /DWANTVXDWRAPS /DVTOOLSD /DDEBUG /Zdp /DWIN40  /DALT_INIT_SEG /Fohello.obj
 e:\program files\microsoft visual studio\vc98\bin\CL.EXE .\hello.cpp
NMAKE : fatal error U1081: 'e:\program' : program not found
Stop.
Error executing NMAKE.

Hello1.vxd - 1 error(s), 0 warning(s)

将program files 改为progra~1就行了，