Ok, I would appreciate it SO much if someone would help me with this. EVERY time I shutdown my computer, I get this picture of the Windows Security SHIELD by the "Shut Down" button.

My computer doesnt immediately shut down, it says installing download 1 out 2 or whatever and then eventually it shuts down. Then I reeboot and the same cycle happens over and over when I shut down my computer. Why arent my updates installing? Thats quite nervewracking.. This is not normal, possibly something MALICIOUS is blocking your downloads if it occurs daily.

Go to windows update and do a full scan and see how many more you are missing.

Download them.

Then do the scans....and have a MS interpret them for you to be sure you don't have a nasty one.http://www.update.microsoft.com/microsoftupdate/v6/default.aspx?querymode=express&mkt=en-gb&ln=en-us

go to the above for download check , this has HAPPENED to me in the past , state what security your have on your PC , harryCouldn't it be like Malware if so then why not download Malwarebyets http://malwarebyets.org and do a scan and see if any malware is on your computer. Then remove it.