Winzip Registry Optimizer is considered as a malicious program that is able to degrade your system settings and let other computer threats like adware, spyware or malware get into your PC to mess up your computer. As you notice Winzip Registry Optimizer, you have to try all the means to get rid of it from your PC without hesitation. What's more, it is able to disable your antivirus to do evil things in your system freely. It is so stubborn that some ordinary antivirus fails to delete it.