|First I would do a disk clean up to remove all the temp files etc. Start>all programs>accessories etc or begin to type disk clean up in the search box. Run the disk clean up utility. then|
Try using firefox to download malwarebytes. Install it, let it update (uncheck real time protetection trial if offered) run a full scan and remove anything it finds and see if that helps. Link bleow.
To err is human but to really screw things up, you need a computer!