A false positive detection is a case where a product or portions of it is detected as a different product by Microsoft Windows AntiSpyware.
If you have discovered a case where Microsoft Windows AntiSpyware detects a software product as a different software product please fill in the form http://www.spynet.com/falsepositive.aspx
If you are a vendor:
Vendors who dispute a characterization of their software as “Potentially Unwanted Software” and want to dispute that should continue to use the Vendor Dispute Form:
Note: The reporting a false positives info has been added in http://support.microsoft.com/kb/892340