re: c:\windows\winsxs\manifestcache\6.0.6001.18000001c50b5blobs.bin Friday, February 27, 2009 at 5:36 am Windows Vista Annoyances Discussion Forum Posted by olga (1 messages posted) The only way to safely reduce the size of the WinSxS folder is to reduce the set of possible actions that the system can take – the easiest way to do that is to remove the packages that installed the components in the first place. This can be done by uninstalling superseded versions of packages that are on your system. Service Pack 1 contains a binary called VSP1CLN.EXE, a tool that will make the Service Pack package permanent (not removable) on your system, and remove the RTM versions of all superseded components. This can only be done because by making the Service Pack permanent we can guarantee that we won’t ever need the RTM versions. So yes, the WinSXS folder is very large, and it will continue to grow as the OS ages. I hope that this clears up some of the questions about why that is, and what you can do about it. Note that the Windows servicing structure and the layout of the store is subject to change. On Monday, January 12, 2009 at 6:37 pm, Glenn wrote: >Can anyone tell me what c:\windows\winsxs\manifestcache\6.0.6001.18000001c50b5blobs.bin >is? This file is taking up 156Mb of disk space. Written in response to: c:\windows\winsxs\manifestcache\6.0.6001.18000001c50b5blobs.bin (Glenn: Monday, January 12, 2009 at 6:37 pm) There are presently no replies to this message. All messages in this thread [show all] c:\windows\winsxs\manifestcache\6.0.6001.18000001c50b5blobs.bin (Glenn: Mon, Jan 12, 2009, 6:37 pm) re: c:\windows\winsxs\manifestcache\6.0.6001.18000001c50b5blobs.bin (olga: Fri, Feb 27, 2009, 5:36 am) Reply or follow-up to this message Search this forum Start a new thread on a different subject Report abuse of the forum Return to the Windows Vista Discussion Forum