Pinker has been registered with most common antivirus software but there might be others that do not recognize Pinker as a trusted application. Our installer package is always signed, please check if theses packages are signed by "Pinkerfind UG". If you get a security warning when launching Pinker please email us at with the corresponding security warning. We will contact the vendor of the antivirus program to resolve this issue. For the time being accept the warning and we will let you know when the registration has been completed.