What to do when Windows updates freeze Internet Explorer

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Sometimes you can't run Windows updates from within Windows XP Pro because downloads fail to install and cause Internet Explorer to freeze. One possible fix is to close all instances of Explorer and run the following command from a command prompt: proxycfg -u

What this does is reset the winHTTP proxy settings of the local workstation. After running this command, reopen Internet Explorer and retry downloading and installing the Windows updates.

This was first published in March 2005

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