Let’s reset windows update components firstly:
Right click on the start button and select Powershell (admin) or Command Prompt (admin)
Write the next hit enter after each line.
net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver
Ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
Ren C:\Windows\System32\catroot2 Catroot2.old
net start wuauserv
net start cryptSvc
net start bits
net start msiserver
After completed, restart computer.
We must install the May 11, 2021 update (KB5003173) before installing the latest cumulative update (LCU), once you installed KB5003173, you could manually install the KB5003637 from catalog
https://www.catalog.update.microsoft.com/Search.aspx?q=KB5003637
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