If the software rejects your new key or throws a validation error, run through this quick checklist to solve the issue: Support for HitmanPro Malware Detection and Removal

Hitman Pro is a popular malware scanning and removal tool that helps protect your computer from various types of malware, including viruses, Trojans, and spyware. While the software offers a free trial, users who want to continue using its features need to activate it with a valid Hitman Pro activation key.

If you suspect your PC is infected: