LicenseError is a Tech Support Scam. Malwarebytes Anti-Malware can detect and remove this potentially unwanted application. Chameleon will kill the process and start Malwaretrail to finish it up. The full version of Malwareware would have protected you against the Tech Supprt Scam. However, the full version is not available to protect you against LicenseError. It removes LicenseError completely. It is available to download and install the latest version of the anti-malware program.”]
Source: https://forums.malwarebytes.com/topic/184917-removal-instructions-for-licenseerror/