Harjit Dhaliwal - I've downloaded the the Windows 10 Update from Microsoft and I am using the same download that I've used to Upgrade all the other 34 computers. And yes I do have enough space on the C drive.
Are you serious? You haven't cared to upload the log file, that would have taken you less than a minute. :-)
Next time.
Windows OS
This topic area includes legacy versions of Windows prior to Windows 2000: Windows 3/3.1, Windows 95 and Windows 98, plus any other Windows-related versions including Windows Mobile.
Do you have enough free space on the C: Drive?