Struggling with getting Windows 10 update 1511 to install, try this fix. Ne aware this will download the full update again, around 3GB.
- Press Windows key + X and select Command Prompt (Admin)
- Copy and paste the following 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
- Wait for the process to complete – You might need to hit enter again if net start msiserver doesn’t complete
- Close the Command Prompt
Now goto Windows Updates again and check if it helps.