cant update pc- Install error - 0x800700c1

i got my pc repaired recently and windows had to be re installed.

ive tried updating it to the latest version but it comes up with Install error - 0x800700c1

ive tried runing cmd administrator and put sfc /scannow but it comes up with error

troubleshooter doesnt work

any help would be great :)

Hi Kieran, This is Ramesh.

The error code 0x800700c1 denotes some core DLLs have become corrupted. Please upload your CBS logs to OneDrive and share the link here.

c:\windows\logs\cbs\ <= Zip and upload all files in this folder.


(How-To: Share OneDrive files and folders - Microsoft Support)
https://support.microsoft.com/en-us/office/shar...

:: OneDrive sharing options - screenshot ::
https://imgur.com/a/vZyxpY9
______________________________________________________________________________________________________

Ramesh Srinivasan
GMT +5:30

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i dont understand what you want me to do

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Open the folder "c:\windows\logs\cbs\"

Copy all files to a temporary folder on your desktop.

Zip the folder.

Share it on Onedrive.
______________________________________________________________________________________________________

Ramesh Srinivasan
GMT +5:30

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Last updated April 16, 2025 Views 25 Applies to: