[SOLVED] Windows Update error 800B0100

Hi Heath, sorry for the delay!

You'll be glad to hear that this is a pretty common error and is easily fixed.

Normally the SURT would report the cause of these errors, but in your case, none are reported:
Code: 
=================================
Checking System Update Readiness.
Binary Version 6.1.7601.22471
Package Version 25.0
2014-07-14 16:34

Checking Windows Servicing Packages

Checking Package Manifests and Catalogs

Checking Package Watchlist

Checking Component Watchlist

Checking Packages

Checking Component Store

Summary:
Seconds executed: 3562
 No errors detected

However, the SURT doesn't check in all locations. In this case, we can check the CBS log to see the actual cause of the error:

Code: 
2014-07-21 07:52:48, Error                 CBS    Failed to verify if catalog file \\?\[B]C:\windows\SoftwareDistribution\Download\cee5b8a1732f52c558753983be90a1b0\update.cat[/B] is valid. [HRESULT = 0x800b0100 - TRUST_E_NOSIGNATURE]
2014-07-21 07:52:48, Info                  CBS    Failed to initialize internal package [HRESULT = 0x800b0100 - TRUST_E_NOSIGNATURE]
2014-07-21 07:52:48, Error                 CBS    Failed to create internal package [HRESULT = 0x800b0100 - TRUST_E_NOSIGNATURE]

To fix this, we need to clear out the SoftwareDistribution folder.

SoftwareDistribution Rename

Warning: this fix is specific to the user in this thread. No one else should follow these instructions as it may cause more harm than good. If you are after assistance, please start a thread of your own.

  1. Click on the Start
    Start%20Orb.jpg
    button and in the search box, type Command Prompt
  2. When you see Command Prompt on the list, right-click on it and select Run as administrator
  3. When command prompt opens, copy and paste the following commands into it, press enter after each

    net stop wuauserv
    ren %SystemRoot%\SoftwareDistribution\Download DL.bak
    net start wuauserv
Once you've done that, try Windows Update again.

Stephen
 
Hi,

You've only attached a shortcut to the folder, not the zipped folder. Please try again, or use our automated method for uploading the CBS folder:

SFCFix CBS Collection


  1. Download SFCFix.exe using the following link and save the tool to your Desktop: [sfcfixdownload]Download SFCFix[/sfcfixdownload]
  2. Download SFCFix.txt and save this to your Desktop as well: https://dl.dropboxusercontent.com/u.../Scripts/~Generic/Collect/CBS/SFCFix.txt?dl=1
  3. On your Desktop, you should now see two files: SFCFix.exe and SFCFix.txt.
  4. Drag the file SFCFix.txt onto the file SFCFix.exe and release it.
  5. SFCFix will now begin to upload your CBS logfiles to our server.


Stephen
 
Glad to hear it, thanks for letting me know :)
 
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