iis6.0+php5.1.4 run install cacti CGI Error

[hbcom]

CGI Error
The specified CGI application misbehaved by not returning a complete set of HTTP headers.

if del c:\windows\system32\cmd.exe give iurs_xxx user read then

Warning: exec(): Unable to fork [c:/rrdtool/rrdtool.exe] in C:\cacti\install\index.php on line 264


......

please help me,thanks

[BSOD2600]

Keep your posts in the same thread.

As stated in the other, you have a ntfs permission problem. Read the install guide in my signature.

[hbcom]

Keep your posts in the same thread.

As stated in the other, you have a ntfs permission problem. Read the install guide in my signature.

thank you very much,,
problem has been succeeded in solving

It is the question that user's authority is set up