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Can C:\Windows\winsxs Be Cleaned-UP?


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#1 jp2code

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Posted 01 August 2013 - 02:30 PM

I'm finding that the winsxs file on machines that have run Windows 7 for a while gets very large.

 

In the screenshot below, it does not seem that big because that particular PC has a 700G hard drive.

 

I run WinDirStat on several PCs with 80G-250G HDD, and this folder will be taking up a substantial amount of space.

 

From what I understand, most of these files are uninstall information, HotFixes, and definition updates.

 

Short of formatting the drive again and reinstalling the OS, is there a safe way to purge these files?

 

hr5HfxM.png

 

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#2 Andrew

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Posted 01 August 2013 - 03:04 PM

No, there isn't a way to purge these files, and the Winsxs directory is not a big as it appears to be. Most of the files in WinSxS don't actually reside in WinSxs, rather they are symbolic links (alternative names) for files that exist elsewhere on the disk. Microsoft engineer Steven Sinofsky has written an article explaining the size of the WinSxS directory and how it can appear to consume many more GB than it actually does.


Edited by Andrew, 01 August 2013 - 03:07 PM.


#3 jp2code

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Posted 01 August 2013 - 04:56 PM

So, when looking at a computer that shows a big red link on the C Drive filled capacity...

 

544x365px-LL-32f76caa_hdd.png

 

and WinDirStat shows that over half of the drive's contents are from the winsxs folder...

 

Any idea how I tell Windows 7 that it's all OK and that it can keep storing data somewhere?



#4 Andrew

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Posted 01 August 2013 - 05:31 PM

I don't know if you can tell Windows that the files in WinSxS aren't actually there (because they are there, but they are also not there!) Looking at your WinDirStat screencaps, though, I would point out that the majority of the space being consumed appears to be in your C:\Users\ folder (4x bigger than WinSxS) and what are probably your C:\PageFile.sys and C:\Hiberfil.sys files (the two huge red rectangles).



#5 hamluis

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Posted 01 August 2013 - 05:31 PM

Try running chkdsk /r on those partitions...it adjusts free space remaining.

 

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#6 jp2code

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Posted 02 August 2013 - 06:54 AM

I don't know if you can tell Windows that the files in WinSxS aren't actually there (because they are there, but they are also not there!) Looking at your WinDirStat screencaps, though, I would point out that the majority of the space being consumed appears to be in your C:\Users\ folder (4x bigger than WinSxS) and what are probably your C:\PageFile.sys and C:\Hiberfil.sys files (the two huge red rectangles).

 

FYI: The screenshot was just a reference pic from my work PC - not one of the PCs I'm having issues with.

 

Try running chkdsk /r on those partitions...it adjusts free space remaining.

 

Louis

 

I'll give that a shot today.






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