Fixing popup issue can be tricky, you can follow the steps listed below to fix popup issue.
1.Click Start button, and then enter into Control Panel.
2.From the open menu go to ALL Programs and from the opened list click on Internet Explorer.
3. Click on Internet Options and select Trusted sites and enter into Custom level.
4.Scroll down to Downloads setting and enable File Download. Finally click OK.
1.Click Startup and type cmd in the searchbox, then double click on cmd.exe.
2.Type gpupdate and press enter, then you can destroy virus on your computer.