Try these, each time rebooting then checking if the problem recurs:
1. (Source - click here)
Open Explorer and navigate to Windows/System32 and rename (or delete) the folder Catroot2 to OldCatroot2. This changes the time stamps and makes Windows believe it has not tried to upload the updates before.
Type into CMD.
del /q "%SystemRoot%\System32\Catroot2\Edb.log
2. First d'load/save to your hard disk from - click here. Double-click on the file to install.