Could you please check if the system date and time set right by clicking on the clock onto your right bottom on the screen.
Also , let us know some of the below information ;
What is the PC’s operating system ?
Did you previously have / Do you currently have any other security software on the PC ?
Please update us with the version of your Virus scan and DAT version : Open security center > Click on About
Thanks for answering. It works now. I think it was a server problem. All is well.
You are welcome Glad to know you are OK now .