Let's deal with the possible infection first. First, stop all running applications using ctrl alt del. Then reboot, once the reboot starts, start tapping the F8 key...this will give you some options, choose safemode with networking. This will start the basic services needed. Once in safemode update your anti-virus and run a full scan...it will take some time so be patient. Once that one is done...download if you don't have these all ready....Malwarebytes - run full scan; Adware - run full scan; Super Antispyware - run full scan; Spybot S&D - run full scan and finally Ccleaner, this one will get rid of and clean out all junk files not needed. These are all free. Once this is done and we are sure the system is free of infection then we...