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Windows 7: What are These Windows Patch Files?

24 Feb 2017   #1
Brucex64

Windows 7 Pro SP1
 
 
What are These Windows Patch Files?

I was scanning my windows drive to see if I could get rid of unused files and I came across a very large folder (around 11gb) called c:/windows/installer and it contains many subfolders with around 3,000 files total. They are Windows Installer Package or Windows Installer Patch types. Are they legit? Can I delete them?


My System SpecsSystem Spec
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24 Feb 2017   #2
torchwood

W7 home premium 32bit/W7HP 64bit/w10 tp insider ring
 
 

Hi Bruce,
no such file on my system.

Whats the complete path.
Largest file on your comp should be
c > windows > winsxs

mines 8GB.

Roy
My System SpecsSystem Spec
25 Feb 2017   #3
Brucex64

Windows 7 Pro SP1
 
 

The complete path according to CCleaner and searching windows explorer is C:\Windows\Installer\. This folder contains "windows installer package" and "windows installer patch" types of files with seemingly random names. The size of the folder is just under 12gb.

I don't know if these are leftover from my windows install or windows updates and if I should get rid of them.
My System SpecsSystem Spec
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25 Feb 2017   #4
Callender

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

Read through this thread:

patch cleaner / installer folder

I ran the utility mentioned and it only found one file that could safely be removed.

PatchCleaner - safely clean your windows installer directory | homedev - software development out of the box
My System SpecsSystem Spec
25 Feb 2017   #5
Brucex64

Windows 7 Pro SP1
 
 

Ok, I read through that and decided to try it. The patch cleaner found 5gb in that folder that was orphaned, and I moved them to an external drive just in case. So it did free up some space!
My System SpecsSystem Spec
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 What are These Windows Patch Files?




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