Carried out a clean install deleting partitions and windows update has a red bar to the left and a red badge with a white x, no updates.
The date and time must be correct. You must have a live internet connection.
Then you download and run the update troubleshooter.
Windows Update after operating system install, I have checked date, time, location and have internet connection. I had to open internet explorer and update to internet explorer 11, I have downloaded mse virus protection and run your link to update troubleshooter result below, no change to windows update. I updated from xp. My bios version/ date dell Inc 1.0.3 02/10/2006.
The 2006 Dimension C521 was only validated with Windows XP/Vista. When you installed Windows 7, how did you activate it with Microsoft?
Ok. Good to know. A non-activated system over time would not be able to do updates. Try the fix by RoHe.
Windows 7 "Service Pack 2" is out. Install the following (32 or 64 Bit depending on your installed Operating System).
KB3020369 perquisite update for Windows 7 Service Pack 2 32 Bit:
KB3020369 perquisite update for Windows 7 Service Pack 2 64 Bit:
Restart after installation of KB3020369.
KB3125574 Windows 7 Service Pack 2 32 Bit:
KB3125574 Windows 7 Service Pack 2 64 Bit:
You will be up to date to April 2016... Retry Windows Update...
RoHe download took me to windows update standalone installer searching for windows updates, half an hour later internet explorer had to close. I rebooted and downloaded service pack 2 from natakuc4 which downloaded and installed i rebooted and strangely i am still on service pack 1. Is it possible to carry out a clean install of windows 7 professional from microsoft and might this be an option
Moving this to the Microsoft operating system board since it is not a General Hardware issue.