The most common reason as to why applications are randomly opening could be due to malware on your computer. Malwarebytes Anti-Malware  is at your disposal to help you rid your computers of malware.
 

1. Open your Application Folder.
   
    
2. Go to Utilities.
   
    
3. Open Malwarebytes Anti-Malware .
   
    
4. Often, if you haven't opened the application before, it may require you tp agree to some terms and conditions. Select Agree.
   
    
5. If there is an update available select Install Update.
    
6. The update with then begin to Download.
    
7. To install updates, it will require the Administrator's Name and Password. This is just your Student ID (UID) and Password as you are all the administrator's of your computers.
   
    
8. When Malwarebytes Anti-Malware  loads, select Scan.
   
    
9. The Malware Scan will begin.
   
    
10. Once your computer has been scanned, there are two possible outcomes.
    • Either your computer will be Clean and have No Adware, allowing you to just press OK.
      
       
    • Or there will be adware found with the option of removing it. Select all of the boxes that are relevant (sometimes it detects Google Chrome )and click Remove Selected.
      
       
11. Once you've completed these steps your computer should be free from Malware and applications should no longer open of their own accord.
     
12. If after you've run AdwareMedic  the problems persist, you will need to run Sophos Anti-Virus .
     
13. Open Sophos Anti-Virus . This can be done from the Applications File or from the Finder Toolbar > Scan This Mac.
    
     
14. Once the application has opened, select Scan Now.
    
     
15. Click Scan With Current Privileges.
    
     
16. Wait for the scan to Complete. This may take some time to complete if you have a lot of data. Once it is finished, any issues you were having with your browser should be fixed.
    
     
17. This is what you should see upon completion of the scan if there was no virus present.
    
     
18. If there was a virus present, you will be redirected to Quarantine Manager. Let Quarantine Manager Clean Up the virus and it will be removed from your computer.