Shavlik Protect shows patch files are successfully downloaded in the logs. The resulting files show the correct file name and executable extension in the download directory but are in fact not fully downloaded. These files are usually less than 5 kilobytes.
Failed execution of these file can hang whole patch jobs
A content filter or proxy is rejecting the download and returning HTML file messages that are renamed to the file name and extension of the patch. Other network or internet connectivity issues could also cause incomplete downloads.
Delete these files from the Protect server.
Add the sites listed at Shavlik Protect firewall and proxy exceptions URL list to the exception list of the device blocking the downloads.
Attempt to download the patch(es) and verify they are completely downloading.