Cid popup, also known as Cid Help or Cid Manager, is being displayed as a result of Internet Explorer hjacker,

called LOP. As a result of the infection annoying popup windows appear every few minutes no matter what you

do. You can see the word CiD on the left side of the title bar. These popups link to a variety of different

advertisement sites, mainly with gambling or adult content and within an hour or so your computer will be flooded

with CiD popups.

Here you can see one example how CiD popup may appear on your screen:

Removing CiD popup manually can be very difficult as it creates files with random names and it is complicated to

delete them. It is an extremely complex procedure so it is absolutely unadvisable for inexperienced PC users.

The most secure and advisable way of removing CiD popup is to use a reliable and secure spyware and adware

removal tool.