NEWBIE: RRD TOOL ERROR (URGENT)

Hi Gentlement,

currently i am doing a monitoring tools on my network with MRTG and RRD tool under windows environment. i've installed Activeperl, MRTG, and RRD TOOL but the RRD Tool seems lacking of some components. when i run MRTG with complete RRD Configuration that given by MRTG website, i faced some problem, i saw this message appear on the screen. i've tried my best to search around internet, but i couldn't get the exact solution. the error message is as below

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C:\mrtg-2.15.2\bin>perl mrtg test2.cfg
Can't locate loadable object for module RRDs in @INC (@INC contains: C:\mrtg-2.1
5.2\rrdtool\bindings\perl-shared\ C:/mrtg-2.15.2/bin\..\lib\mrtg2 C:/mrtg-2.15.2
/bin C:/Perl/site/lib C:/Perl/lib .) at mrtg line 342
Compilation failed in require at mrtg line 342.

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i don't know what problem is this. i've tried so many solution, but it wasn't working. so i hope is there any gentlement could help me on this, and highly appreaciate if you guys can give me some ideas on the solution. thanks a lot.