[SOLVED] Windows 7 64bit update err 80073701 (tried all the basic fixes - still fails)

T

temulun

Member
Joined
Jun 15, 2019
Posts
5
I've tried to apply the latest June updates (KB4503292) for Windows 7 64-bit several times now and have received the 80073701 error every time. I suspect this came about due to a power cut last week which caused the pc to turn off, turn back on again, try to install updates while booting, power cut again during that. It did recover itself and manage to boot up, but a week later when this update came out it failed to install it.

So far I've tried:

- the various windows update troubleshooters.
- renaming my SystemDistribution and catroot folders and letting it download the update again.
- downloading it and trying to install it on its own.
- uninstalling the individual stand alone updates that were installed during the power cut recovery and after the May rollup.
- run sfc /scannow - it fixed one issue and now runs clean.
- run the update readiness tool. It found thousands of errors. I have steadily downloaded from microsoft, googled, found on these forums and so on the cat/mum files to fix these, pulling them out of the msu archives, added them to relevant CheckSur temp folders and it now also runs clean. I had hoped this would be the end of the problem. It isn't and still fails with the same error.
- run sfcfix - it detected no corruptions and suggested my next step was talking to someone so here I am.

I don't have a system restore point from prior to the problems, so that, unfortunately is also not an option. Any help you can provide would be greatly appreciated.

Link to CBS zip - CBS Zip - it is relatively large.

SFCfix output:

SFCFix version 3.0.1.0 by niemiro.
Start time: 2019-06-14 19:08:21.635
Microsoft Windows 7 Service Pack 1 - amd64
Not using a script file.

AutoAnalysis::
SUMMARY: No corruptions were detected.
AutoAnalysis:: directive completed successfully.

Successfully processed all directives.
SFCFix version 3.0.1.0 by niemiro has completed.
Currently storing 0 datablocks.
Finish time: 2019-06-14 19:09:25.624
----------------------EOF-----------------------
 
Hello and welcome!

Due to the precise nature of your corruption, you will receive help from a user named writhziden. He's one of our senior trainees here who's in his final phase of his studies and needs to gain some real world experience in specific areas of Windows Update. This means that he'll be assisting you, but that I will first need to double check and approve his fixes before he posts them to you. If anything this is a good thing for you because it means that you've got at least two of us watching over your thread, but it will unfortunately add a slight delay between each reply. I hope that you understand and can accept the need for us to train up new members in this way in order to carry on doing what we do here, however, if for any reason you object to this setup, I will happily take on your thread myself.

Thank you very much for your understanding. We'll be with you very shortly.
 
Code: 
2019-06-15 11:13:32, Info CBS Failed to pin deployment while resolving Update: 4493472-20_neutral_LDR from file: (null) [HRESULT = 0x80073701 - ERROR_SXS_ASSEMBLY_MISSING]

Hello temulun, and welcome to Sysnative Forums. I would like to first offer apologies for the delay in responding to your update error. You have done a very good job cleaning up the majority of the issues, but at least one still remains as seen in the CBS log. KB4493472 is not installed properly on your system and will need to be removed. To do so, I will need a registry search output from you:

FRST Registry Search
  1. Click your Start button and type in cmd. Press Enter.
  2. Copy paste the following into the Command Prompt:

    reg load HKLM\COMPONENTS C:\WINDOWS\SYSTEM32\CONFIG\COMPONENTS
  3. Please download Farbar Recovery Scan Tool and save it to your Desktop.
    Note: You need to run the 64-bit Version so please ensure you download that one.
  4. Run FRST64 by Right-Clicking on the file and choosing Run as administrator.
  5. Copy and paste KB4493472 into the Search box and click the Search Registry button.
  6. When the scan is complete a notepad window will open with the results. Please attach this to your next reply. It is saved on your desktop named SearchReg.txt.
 
All done. Reg load operation completed (I had to run cmd as administrator to get it to work because of permissions). Farbar downloaded and run, searchreg.txt is attached.

Cheers for the help. I really appreciate it.
 

Attachments

Happy to help. :-)

Now for the next step:

FRST Fix
NOTICE: This script was written specifically for this user, for use on that particular machine. Running this on another machine may cause damage to your operating system
  1. Please download Farbar Recovery Scan Tool and save it to your Desktop.
    Note: You need to run the 64-bit Version so please ensure you download that one.
  2. Download the attached fixlist.txt and save it to the Desktop.
    Note. It's important that both files, FRST64 and fixlist.txt are in the same location or the fix will not work (in this case...the desktop).
  3. Run FRST64 by Right-Clicking on the file and choosing Run as administrator.
  4. Press the Fix button just once and wait. If for some reason the tool needs a restart, please make sure you let the system restart normally. After that let the tool complete its run.
  5. When finished FRST64 will generate a log on the Desktop (Fixlog.txt). Please post the contents of it in your reply.
  6. Try to install updates again, and if any fail, attach the CBS.log.
 

Attachments

All run and I'm happy to say the problem is now fixed. The latest updates all went in okay. Computer rebooted and happy again. Thanks again for your help. You can mark this one down as solved.
 
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