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Windows 7: Is 24.1 GB Excessive for Windows Folder Size (Pro)?


30 Oct 2012   #1
taranaki

Windows 7 Professional x64, version 6.1.7600 Build 7600
 
 
Is 24.1 GB Excessive for Windows Folder Size (Pro)?

I'm trying to save some space on my cramped SSD. My Windows folder is 24.1 GB, and of this subfolder winsxs is 13.2 GB, subfolder installer is 3.2 GB, subfolder System32 is 2.4 GB, assembly subfolder 1.4 GB and sysWOW64 is 1.2 GB. Those are the biggies. Am I stuck with these sizes or is there anything I can do to reduce them?

I have deleted all but 3 of my system restores, I do not have a hiberfl (spelling), and have reduced my swp. file on this partition to max. 850 MB (I have another 16GB swp. file on another partition).


My System SpecsSystem Spec
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30 Oct 2012   #2
Maguscreed

Microsoft Community Contributor Award Recipient

Windows 7 x64
 
 

Let's be clear about one thing.
Randomly deleting stuff in your windows folders is going to kill your system.

Best thing I have for you is ccleaner.
CCleaner - Download
Use the file cleaner, but NOT the registry scanner.

Typical size for a windows folder with win 7 is between about 18 and 24 gigs.
There's a lot of factors that determine that, and while you are at the top end of that, you are not into a realm where I think something is wrong.
As long as you have another drive you can completely remove the page file from the ssd btw. You just have to have a page file it doesn't have to be located on the boot drive.

Deleting old restore points may buy you back a gig or two from the windows folder as well.
My System SpecsSystem Spec
30 Oct 2012   #3
ignatzatsonic

Microsoft Community Contributor Award Recipient

Windows 7 SP1, Home Premium, 64-bit
 
 

Installer folder?? I don't have one at all. Any idea what it's for?

The rest of your folder sizes are fairly close to mine.
My System SpecsSystem Spec
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31 Oct 2012   #4
taranaki

Windows 7 Professional x64, version 6.1.7600 Build 7600
 
 

Thanks for the replies. I don't have any idea what is in the installer folder, however as Magus points out I'm not touching anything I don't understand.

Magus did mention deleting the paging file altogether, however I read on here (comment 3 and more details on comment 2) that you can't.

"Windows requires to have a pagefile present on your system drive in order to write kernel memory dumps in the event of a crash. So even if you set "No pagefile" on your system drive, Windows will end up creating a pagefile anyway, even if it doesn't actually use it for paging"

And further on someone mentioned that the minimum size Windows needs for the crash is 800 MB, which is why I set mine at 850 MB. If I am wrong I would like to be corrected so I can indeed delete this page file on this cramped drive.
My System SpecsSystem Spec
31 Oct 2012   #5
Maguscreed

Microsoft Community Contributor Award Recipient

Windows 7 x64
 
 

I disabled mine and moved it to another drive, I don't recall any specific trouble with doing so.
You are probably right to leave some small bit on the boot drive though.
Make sure you do have a pagefile of a fair size on another drive.

There is one problem with my way. Should the drive I've moved the pagefile to have a problem It would likely result in me not being able to boot.
My System SpecsSystem Spec
31 Oct 2012   #6
taranaki

Windows 7 Professional x64, version 6.1.7600 Build 7600
 
 

thanks again for the info. Can you shed any light on what the installer folder is for?
My System SpecsSystem Spec
31 Oct 2012   #7
Maguscreed

Microsoft Community Contributor Award Recipient

Windows 7 x64
 
 

As I can't locate it on any of the 6 windows 7 machines I have access to atm, no I really can't are you familiar with how to take a screenshot? Seeing the contents of said folder might give us insight.
You can attach images to posts here using the paperclip icon (just make sure to hit upload before closing the window that pops up.
My System SpecsSystem Spec
31 Oct 2012   #8
pbcopter

Windows 7 Ultimate x64 SP1, Windows 8.1 Pro x64
 
 

@ignatzatsonic

Installer folder is a hidden protected operating system file.

http://support.microsoft.com/kb/2667628

http://support.microsoft.com/kb/2592038
My System SpecsSystem Spec
31 Oct 2012   #9
Maguscreed

Microsoft Community Contributor Award Recipient

Windows 7 x64
 
 

oh der, it's the update folder.
I totally forgot about that, you have to have both view hidden and view operating system files to even see it. Which is why I was missing it.
My System SpecsSystem Spec
31 Oct 2012   #10
taranaki

Windows 7 Professional x64, version 6.1.7600 Build 7600
 
 

I expect that it is hidden as pbcopter states - however I have checked "show hidden files folders.. " etc. in Explorer and it still doesn't show. See screenshot of Explorer. How I found that the installer folder was taking so much space was by using WinDirStat. I've attached 3 screen shots of WindDirStat drilling down in the installer folder. It is full of .msi and .msp files. I presume that this can't be deleted, but I would like confirmation either way from someone who knows thanks.


Attached Thumbnails
-screen1.jpg   -screen2.jpg   -screen3.jpg   -screen4.jpg  
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 Is 24.1 GB Excessive for Windows Folder Size (Pro)?




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