0x80070005 is often the sort of error caused by insufficient access permissions to files or registry keys.
The following is quoted from the Windows Update Troubleshooter.
"Error 0x80070005 in the Windows Update.log file and updates fail to install from the site
Problem Description:
On the web site you will see that updates have failed to install. If you check the Windows Update.log file, you will see an error similar to this:
Error IUENGINE See iuhist.xml for details: Install finished (Error 0x80070005: Access is denied.)
Resolutions:
Suggestion 1:
This error can occur if you have mapped network drives configured and you don't have the correct permissions to access them. Try disconnecting all mapped network drives and then try accessing the Windows Update site and see if the installs still fail.
Suggestion 2:
If you are using the NTFS file system on your hard drive(s) then try these steps.
Check permissions on the C:\WUTemp folder (if you have more than one hard drive, check this folder on each drive).
1. Open Windows Explorer.
2. Navigate to the C:\WUTemp folder.
3. Right-click on the folder name and select Properties from the popup menu.
4. Click on the Security tab.
5. Set Full Control access for the following accounts:
