The correct return code is 0x80072
Please initiate another attempt at updating then attach the WindowsUpdate.log or copy&paste the last
50 to 70 lines of the log -
How to view the Windowsupdate.log file
Or, you could peruse it yourself, starting at the bottom as that's where the most recent entries are written to. What you are looking for are entries that contain FATAL.
BTW, I'm slightly confused as you state that
1) WU is downloading the updates but not installing them. 80072EFE is usually a temporary return code that indicates the system's connection to the update servers has been aborted thus, nothing or partial downloads result.
2) You mention Windows Live OneCare, which has been discontinued. Did you install a saved copy of it ?
3) Suggest you check to see if a proxy was set up by Comodo.
From : You may encounter temporary connection-related errors when you use Windows Update or Microsoft Update to install updates
To remove the proxy server entry from the WinHTTP proxy configuration for Windows 7, follow these steps:
- Click Start, and then type cmd in the Start programs and files box.
- Right-click cmd.exe in the Programs list, and then click Run as administrator.
Note If you are prompted for an administrator password or confirmation, type the password or click Continue.
- Type the following command and then press Enter:
netsh winhttp show proxy
Note The proxy setting is listed next to Proxy Server. If there is no proxy server, Direct Access <no proxy server> is shown in the Command Prompt window.
- To remove the listed proxy setting, type the following command and then press Enter:
netsh winhttp reset proxy
- Click Start, click All Programs, click Windows Update, and then try to download and install updates again.
I've also seen some Win 7 installations that have had this issue because of Group Policy being set in the registry. Said settings would be under this key
If you expand Windows
there would be a WindowsUpdate, WSUS or some other subkey with a name that contains update or SUS under it. A client system that self updates
from the update servers has no WindowsUpdate subkey as update settings are set in