I've had a similar post but this one seems to superseed it.
With SP1 a proper method reducing this folder was added.
Quote:
The WinSxS folder is used to store install and uninstall files, windows packages (current and previous versions of a component) and out-of-band releases. You should not completely delete this folder. Post Windows 7 SP1, there is now a way to remove the unnecessary files from this folder using the command line (elevated/admin mode -> Click Start -> Type “cmd” in Search. Right click on “cmd” and choose “Run as Administrator”).
Enter in this
This is great for reducing the Windows folder size for SSDs and netbooks.
Enter in this
Quote:
dism /online /cleanup-image /spsuperseded
This is great for reducing the Windows folder size for SSDs and netbooks.
YOU WILL NOT BE ABLE TO UNINSTALL SP1 - Only dick with this if you know what you are doing.
http://www.iishacks.com/2011/06/23/reduce-windows-7-winsxs-folder-size/
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