Adware maker Zango Inc.
has sued PC Tools Pty Ltd., makers of the popular Spyware Doctor
software, in a dispute over the way the antispyware program flags and
removes Zango’s technology.

Representatives from both Zango and PC Tools confirmed that
Zango had filed suit against the antispyware vendor. However they
declined to provide details on the lawsuit except to say that it
involved a dispute over the way Spyware Doctor rated Zango’s software.