a) Click on “Start” and type “cmd” (without the quotations).

b) When you see the “cmd” icon, Right Click on it and select “Run as administrator”.

c) On the open Command Prompt window copy and paste the commands (all at once) –

net stop wuauserv

net stop cryptSvc

net stop bits

net stop msiserver

ren C:\Windows\SoftwareDistribution SoftwareDistribution.old

ren C:\Windows\System32\catroot2 catroot2.old

net start wuauserv

net start cryptSvc

net start bits

net start msiserver

pause

d) Wait for the process to complete.

e) Close the Command Prompt.

Now, go to Windows Update and try installing the updates. This should fix your problem