Unable to Run Qucik Scan

Every time I log on to my computer I try to run a quick scan, I am unable to do so. I click for it to scan, but nothing happens.  Is this normal.  It also states that a full scan can not be completed.

Every time I log on to my computer I try to run a quick scan, I am unable to do so. I click for it to scan, but nothing happens.  Is this normal.  It also states that a full scan can not be completed.