Free Access to KAV/KIS 6.0/7.0: 1.Shut down Kaspersky. 2.Run regedit, and remove the following registries. (Key Removal) HKEY_LOCAL_MACHINESOFTWAREKasperskyLabLicStorage HKEY_LOCAL_MACHINESOFTWAREMicrosoftCryptographyRNG HKEY_LOCAL_MACHINESOFTWAREMicrosoftSystemCertificatesSPCCertificates 3.Run Kaspersky, choose 30-day trial key and activate. 4.When the 30-day trial key expired, run these steps again.