Try the removal methods suggested in this thread from the Microsoft Help forum: https://answers.microsoft.com/en-us/windows/forum/windows_10-update/zupdate/a9569ff5-845a-4358-9532-452bfc99496c?messageId=3843434b-8ce7-4e50-b650-0d2cc7fef53a

ZUPDATER is malware from Comodo and ASK toolbar as well as various other toolbars and malware.

 

Go to the Landzdown Forum and register. They should be able to help you.

https://www.landzdown.com/