[SOLVED] Code 1 Windows Update encountered an unknown error - Win7 x64

Okay, let's try resetting WU Components:

Download the following file.
Create a new folder on your Desktop.
Extract the file you've downloaded to a new folder on your Desktop you've created in the previous step.
Right-click ResetWUEng.cmd file and select Run as Administrator.
A windows will appear prompting you if you want to continue with the process. Please press Y.
Another menu will appear. Press 2: Reset Windows Update Components.
Verify that you have selected number 2 and hit Enter.
Wait until the process is complete.
You should see the message: The operation completed successfully.
Press any key to continue. . .

Close the window and reboot.

Try updating once again. If it fails, please attach CBS.log
 
please see the attached file
 

Attachments

  • windows update error 1.jpg
    windows update error 1.jpg
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Hi. This particular VM is the golden OS image for our VDI system. All of our other application layers are based on it. We just want to keep it running, and updating with patches, until we are ready to migrate to Windows 10. That looks to be a ways off right now.
 
I did try installing it manually and I got an error trying that as well. I don't have the particular error message that I got from that attempt. Other updates install without issue. This is the first time we have had any problems with this OS layer. I am wondering if the May cumulative update might work when it comes out.
 
There are still a few things I would like to try before telling you to wait for the May update. In your WindowsUpdate.log I have discovered an error:

0x80070643 = ERROR_INSTALL_FAILURE

First let's try and clear out the download cache.

Software Distribution rename


  • Click Start -> Type in CMD in the search -> Right click on cmd.exe and choose Run as Administrator
  • Entre in the following commands:
    net stop wuauserv
    ren %SystemRoot%\SoftwareDistribution\Download DL.bak
    ren %SystemRoot%\SoftwareDistribution\DataStore DS.bak
    net start wuauserv


Once completed please try and run windows update again.
 
Step#1 - Capture Process Monitor Trace
 1. Download and run Process Monitor. Leave this running while you perform the next steps.
2. Attempt to install the update just like you have in the past.
3. Stop Process Monitor as soon as you get the error. You can simply do this by clicking the magnifying glass on the toolbar as shown below.
11908d1430506241-windows-updates-fail-repeatedly-stop-jpg


4. Select the File menu...Save... and save the file to your desktop. This is likely the default location. The name (unless changed) will be LogFile.PML. This is fine.
5. Zip up and attach the LogFile.PML file as well as your CBS.log.
 
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