Silverlight update not installing

If you are using IE, please check the settings in IE with following steps. Click the "Tools" menu on the right-top and then choose the "Manage add-ones". Select "All add-ons" in the "Show" combobox and select the "Microsoft Silverlight" on the right side. Check the button on the right-bottom, if it shows Enable, please click it to enable it. If Silverlight has been enabled, please click the "Tools" menu and choose "Internet options". Select the "Security" tab, please check the "Enable Protected Mode" checkbox.

Click the "Custom level" button and set the following settings. Do you have install Silverlight before or this is the first time install? If you have installed before, please uninstall and re-install with following guidance which introduce how to clean a corrupted Silverlight installation and then reinstall Silverlight. I have disabled McAfee firewall and that didn't work and I have tried to uninstall Microsoft silverlight and I got the same message that: the feature you are trying to use is on a network resource that is unavailable.

It also gives me another source to use Microsoft Silverlight installation 1 but none of them work. The error code associated with this problem is code 64c.

However, now it is not the only update that is not installing. Security update for Microsoft. The error code associated with this one is: code 66A.

Furthermore, the other update that is also not installing is Security Update for Microsoft. Step 1: I would suggest you to manually install the standalone package for the update from the Microsoft Download center and check if this helps. Go to the Microsoft Download Center website, type the "KB" number of the update into the download search box, and then click Go. Click the Download button, and save the update to your desktop. The Updates tab of the Microsoft Silverlight Configuration dialog box enables you to specify when to check for, download, and install Silverlight updates.

Certain computer configurations can disable features of the Silverlight auto-updater. The following sections describe the configurations in which the specified options are not available.

The Microsoft Silverlight auto-update feature helps make sure that your computer is up-to-date. Disabling the auto-update feature will prevent Microsoft from providing you with the latest Silverlight functionality and security features.

If you decide not to use the auto-update feature, you must download the latest Silverlight updates by enrolling in Microsoft Update or periodically visiting the Silverlight Web site. All Microsoft Sites.