Error -4 from NIReport_New function

Question

I'm getting a "NON-FATAL RUN-TIME ERROR" from my application when I try to open a new report with the NIReport drivers.  The error code is -4 (0xfffffffc) which is defined in the nireport.h file as follows:
#define NIR_ERR_UnknownAutomationError      -4L     // Misc/unknown error calling method
I'm guesiing there might be something wrong with the NIReports ActiveX Automation server which is required to use NI reports but I don't know how to check if it's functioning.  I've done a complete re-installation of CVI but the error is still there.  Does anyone have any ideas what could be happening?
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Answer 1

Lars,
The error occurs when my application gets to the following function call: 
NIReport_New (&RPT_Handle);
The function is suppose to return a non-negative integer report handle.
I did a complete uninstall and reinstall of CVI.
I didn't try any of the report samples but did as you suggested.  The same error is generated from the sample code at the same function call.
if (NIReport_New (&reportHandle) < 0) {
        MessagePopup ("ERROR", "Could not initialize NI Reports...");
        return -1;
Some additional information about my system.  I have the following NI software installed listed in chronological order of when it was installed on my PC:
LabView 5.1.1
LabWindows CVI 8.1.1
TestStand 4.1.1
TestStand 4.0
Uninstalled and reinstalled CVI 8.1.1