If you still cannot update Windows 7 using WindowsUpdate, try this :
Open Internet Explorer > Tools >Internet Options > Security > Click 'trusted sites' icon >Click Sites > uncheck 'require server verification'.
Then add following sites :
Click Close > Apply > OK. This is known to help the GenuineValidated Windows, in some cases, but not always.
Do also ensure that you have the latest Windows Update Agent
Try to re-register the following dll's individually. See How to Register / Unregister dll's
if you are not sure how to do it.
Alternatively, open Notepad. Copy-Paste the following command lines into it and save the file using a .bat or .cmd extension.
regsvr32 /s wuapi.dll
regsvr32 /s wuaueng.dll
regsvr32 /s wups.dll
regsvr32 /s wups2.dll
regsvr32 /s wuwebv.dll
regsvr32 /s wucltux.dll
regsvr32 /s wudriver.dll
Double-click the icon of the .bat or .cmd file; command window will open. Run the commands, and then close. Reboot, and see if Windows Updates is working OK.
Also Open IE > Tools > Internet Options > Advanced > Security Settings > Ensure that the two boxes "Enable SSL 2" or "Enable SSL 3" are checked.
Hopefully, this should help !
Else, note your error code and visit this excellent Microsoft Resource : Windows Update Support: Error Codes
. Search for the solution against your error Code. If you receive Windows Update error 80246008 while downloading updates, you might need to change the Background Intelligent Transfer Service (BITS) or Windows Event Log service settings, and then restart each service. Click here
for more on it.
Here are some useful KB Articles from Microsoft relating to Windows Updates::KB943144
- Updates are not installed successfully from Windows Update, from Microsoft Update, or by using Automatic Updates after you repair a Windows XP installationKB910337
: You may receive an error message that contains the "0x8DDD0018" code or the "0x80246008" code when you try to download updates from the Microsoft Windows Update Web site or from the Microsoft Update Web siteKB836941
: You may receive an "Error 0x80072EE2," "Error 0x80072EE7," "Error 0x80072EFD," "Error 0x80072F76," or "Error 0x80072F78" error message when you try to use the Windows Update Web site or the Microsoft Update Web siteKB883825
: You receive error 0x80070020 with error message, The process cannot access the file because it is being used by another process, when you use the Windows Update Web site or the Microsoft Update Web site to install updates.
If you are recovering from a malware attack, you may also want to have a look at your Hosts file. Some malware programs may modify the hosts file to control DNS name resolution. Remove ALL entries for Windows Update and Microsoft Update from your Hosts file situated at C\Windows\system32\drivers\etc\hosts
You can either remove any lines that contain entries for Windows Update or for Microsoft Update OR you can just place the number sign # before or in front of any line that contains "microsoft" and "update". HostsMan is a good freeware utility to help you manage your hosts file.
These Links may Interest You:Windows Update Page Is BlankTool To Repair Windows UpdatesWindows Updates fail To InstallHow To Download and Save Windows UpdatesFAQ : Windows Updates problems in Windows Vista.Windows Update Agent corrupted ? Windows Vista Updates give Error 80073712.
Hope this helps?