Cacti proble on Windows Server 2003

[ntanalysis]

any help after I installed the installer version of cacti cacti-0.8.7a.1.7 the following message appears for any graph, the snmp gets the information for the device

RRDTool Command:
Warning: popen(c:/rrdtool/rrdtool.exe info C:/Inetpub/wwwroot/cacti/rra/ar1-tla_traffic_in_15.rrd,rb) [function.popen]: Result too large in C:\Inetpub\wwwroot\cacti\lib\rrd.php on line 106
Warning: feof(): supplied argument is not a valid stream resource in C:\Inetpub\wwwroot\cacti\lib\rrd.php on line 119
Warning: fgets(): supplied argument is not a valid stream resource in C:\Inetpub\wwwroot\cacti\lib\rrd.php on line 120
.......
Operating System: windows server 2003 Enterprise Edition
Webserver: IIS6
the others are related to th installer
any help

[BSOD2600]

Looks like a NTFS permission problem. Do you have antivirus which you didn't disable during the install?

Verify the IUSR and IIS_WPG accounts have read/execute rights on cmd.exe, rrdtool.exe and all cacti files. Also those accounts will need Modify rights to the \cacti\log and \cacti\rra folders.

[ntanalysis]

great thanks
now after your guides every thing seem to be working, thanks for your fast response.....
best regards