Your System is Infected - Changed background + 'Internet Security

I cannot access the internet from the computer or run task manager or registry editor BAckground to the computer states Your System is Infected! System has been stopped due to a serious malfunction Spyware activity has been detected It is recommeded to use spyware removal tool to prevent data loss Do not use the computer before all spyware removed a window also pops up A- Security Warning asking if i want to install an Adobe Systems Incorporated Installer, i keep clicking don't Install Windows about Internet Security 2010 keep poping up small red circle with white X is appearing in the toolbar

I have solved this issue from one of the other threads