You can extract the executable from the Download Manager by allowing it to launch "Download Manager" and browsing to "C:\My Downloads" and copying out the executable file (RealPlayer10-5GOLD_bb.exe)
When you do RealPlayer 10.x repackaging, you may face an issue where in RealPlayer does not connect to the internet from within the RealPlayer interface. Just look out for some INI files in the DataCache directory of Real Player installdir. This would be the first place to start of with your troubleshooting.
Remove the registry items that have large keys and then import it using MSI script. I am using Wise Package Studio 6.01. It's not that difficult.
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