Fiz sfc /scannow e apareceu arquivos corrompidos que não pôde ser recuperado

Feenix · 25 de março de 2018

A parte do log que eu acho que diz o arquivo que está corrompido é essa:

Spoiler

2018-03-25 20:03:47, Info CSI 00006e0c [SR] Cannot repair member file [l:27]'CloudExperienceHostUser.dll' of Microsoft-OneCore-CloudExperienceHost-User, version 10.0.16299.15, arch Host= amd64 Guest= x86, nonSxS, pkt {l:8 b:31bf3856ad364e35} in the store, hash mismatch
2018-03-25 20:03:47, Info CSI 00006e0d [SR] This component was referenced by [l:152]'Microsoft-Windows-Client-Features-WOW64-Package00~31bf3856ad364e35~amd64~~10.0.16299.15.microsoft-windows-client-features-wow64-deployment000-Deployment'
2018-03-25 20:03:47, Info CSI 00006e0e Hashes for file member [l:27]'CloudExperienceHostUser.dll' do not match.
Expected: {l:32 ml:4096 b:50d0d23942dd747738c3e20034e3b119785cf5c8614e6b180a84b48fbfbee65a}.
Actual: {l:32 b:efb746fefaf718d77fabe070696f62d4a0b64195786f94c509df4435081eeb80}.
2018-03-25 20:03:47, Info CSI 00006e0f Hashes for file member [l:27]'CloudExperienceHostUser.dll' do not match.
Expected: {l:32 ml:4096 b:50d0d23942dd747738c3e20034e3b119785cf5c8614e6b180a84b48fbfbee65a}.
Actual: {l:32 b:efb746fefaf718d77fabe070696f62d4a0b64195786f94c509df4435081eeb80}.
2018-03-25 20:03:47, Info CSI 00006e10 [SR] Could not reproject corrupted file \??\C:\WINDOWS\SysWOW64\CloudExperienceHostUser.dll; source file in store is also corrupted
2018-03-25 20:03:47, Info CSI 00006e11@2018/3/25:23:03:47.398 Primitive installers committed for repair
2018-03-25 20:03:47, Info CSI 00006e12 [SR] Repair complete
2018-03-25 20:03:47, Info CSI 00006e13 [SR] Committing transaction
2018-03-25 20:03:47, Info CSI 00006e14 Creating NT transaction (seq 1)
2018-03-25 20:03:47, Info CSI 00006e15 Created NT transaction (seq 1) result 0x00000000, handle @0xb54
2018-03-25 20:03:47, Info CSI 00006e16@2018/3/25:23:03:47.475 Beginning NT transaction commit...
2018-03-25 20:03:47, Info CSI 00006e17@2018/3/25:23:03:47.625 CSI perf trace:
CSIPERF:TXCOMMIT;224455
2018-03-25 20:03:47, Info CSI 00006e18 [SR] Verify and Repair Transaction completed. All files and registry keys listed in this transaction have been successfully repaired

Procurei na internet e encontrei que eu deveria reparar manualmente baixando o arquivo intacto e substituindo o corrompido. Mas afinal, onde encontrar esse arquivo intacto para baixar de forma segura? O nome do arquivo é "CloudExperienceHostUser.dll"