Installation Failure: Windows failed to install the following update with error 0x80073701: 2024-08 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5041160).
Please advise!
        
        
     
Thanks so much for your detailed response.
I tried each step, and it seems like the last resort is step #9 however I will lose all the data as there is no choice but to keep the files and data.
(this server is a backup server)
I run into the following issues:
Step 5 I couldn't rename the files
Ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
Ren C:\Windows\System32\catroot2 Catroot2.old
Access denied.
Step 6 log file:
Log Name:      System
Source:        Microsoft-Windows-WindowsUpdateClient
Date:          8/20/2024 5:51:27 AM
Event ID:      20
Task Category: Windows Update Agent
Level:         Error
Keywords:      Failure,Installation
User:          SYSTEM
Computer:      CIFE02.CII.NET
Description:
Installation Failure: Windows failed to install the following update with error 0x80073701: 2024-08 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5041160).
Event Xml:
<Event xmlns="
http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Microsoft-Windows-WindowsUpdateClient" Guid="{945a8954-c147-4acd-923f-40c45405a658}" />
    <EventID>20</EventID>
    <Version>1</Version>
    <Level>2</Level>
    <Task>1</Task>
    <Opcode>13</Opcode>
    <Keywords>0x8000000000000028</Keywords>
    <TimeCreated SystemTime="2024-08-20T12:51:27.8338307Z" />
    <EventRecordID>112320</EventRecordID>
    <Correlation />
    <Execution ProcessID="17344" ThreadID="13424" />
    <Channel>System</Channel>
    <Computer>CIFE02.CII.NET</Computer>
    <Security UserID="S-1-5-18" />
  </System>
  <EventData>
    <Data Name="errorCode">0x80073701</Data>
    <Data Name="updateTitle">2024-08 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5041160)</Data>
    <Data Name="updateGuid">{b78e6476-c096-40f6-967c-743397bb5fdc}</Data>
    <Data Name="updateRevisionNumber">1</Data>
    <Data Name="serviceGuid">{8b24b027-1dee-babb-9a95-3517dfb9c552}</Data>
  </EventData>
</Event>
Step 9:
The following option is not available:
Select the option to 
Keep personal files and apps.
Please advise if there is anything else I could do prior to reinstall Windows Server 2022.
The server is a Dell T620.
Regards,
Norbert