Problem with windows update - now boots to black screen with cursor. SFC & DISM no longer work. Can't repair.

Restart the computer.
Open an elevated command prompt.
Copy and paste the following commands into it, press enter after each.

Code: 
sfc /scannow
Wait for this to finish before you continue

Code: 
copy %windir%\Logs\CBS\cbs.log "%userprofile%\Desktop\cbs.txt"
This will create a file, cbs.txt on your Desktop. Zip this file and attach the zipped cbs.txt to your next post.
 
Install Update with DISM
  1. Download the update MSU here: https://catalog.s.download.windowsu..._bbb8ffebb824a197acae3580dc910cdf3c706549.msu
  2. Copy the MSU file to a convenient location (such as C:\temp).
  3. Click on the Start button and in the search box, type Command Prompt
  4. When you see Command Prompt on the list, right-click on it and select Run as administrator
  5. When command prompt opens, copy and paste the following commands into it, press enter after each

    cd C:\temp
    replace C:\temp with your path if different

    expand windows8.1-kb5027574-x64_bbb8ffebb824a197acae3580dc910cdf3c706549.msu -f:* C:\temp

    DISM.exe /Online /Add-Package /PackagePath:C:\temp\windows8.1-kb5027574-x64.cab

  6. You should receive the message:
    The operation completed successfully.
    Make sure to allow the computer to restart if prompted.
  7. If you receive any other message:
    Post a screenshot of the Commandprompt window.
    Zip and attach the file C:\Windows\Logs\CBS\CBS.log
 
Great.
Try to install KB2919355 again and report the result.
If it fails, copy the file C:\Windows\Logs\CBS\cbs.log to your desktop.
Zip the copied file and attach the zipped cbs.log to your next reply.
 
Ok, that time it got further, prompted me for a restart, booted up and then said unable to complete update, undoing changes.

log attached.
 

Attachments

Attach the file C:\Windows\INF\setupapi.dev.log to your next reply.
 
Step 1:
WARNING! The following fix is specific to the user's system in this thread only. No one else should follow these instructions, as it could damage your system.
  • Download the attachment SFCFix.zip and save it on your desktop.
  • Save any work you have open, and close all programs.
  • Drag the SFCFix.zip file over the SFCFix.exe executable and release it.
    1p8eDnI.gif
  • SFCFix will launch, let it complete.
  • Once done, a file will appear on your desktop, called SFCFix.txt.
  • Attach that file to your next reply.

Step 2:
1. Click the Start button and type cmd in the search box.
2. Right-click on the cmd that comes up and select Run as administrator.
3. Once you are at the command prompt, copy/paste the following line and press enter.
pnputil -a C:\Windows\WinSxS\amd64_spaceport.inf_31bf3856ad364e35_6.3.9600.17031_none_06c9136a2a4aa9b8\spaceport.inf

4. You will likely receive a prompt that the publisher of the driver cannot be verified. Please install the driver anyway as this message is normal.
 

Attachments

Restart the computer.
Open an elevated command prompt.
Copy and paste the following commands into it, press enter after each.

Code: 
sfc /scannow
Wait for this to finish before you continue

Code: 
copy %windir%\Logs\CBS\cbs.log "%userprofile%\Desktop\cbs.txt"
This will create a file, cbs.txt on your Desktop. Zip this file and attach the zipped cbs.txt to your next post.
 
Try to install KB2919355 only and report the result.
If it fails, copy the file C:\Windows\Logs\CBS\cbs.log to your desktop.
Zip the copied file and attach the zipped cbs.log to your next reply.
 
Attach the file C:\Windows\INF\setupapi.dev.log to your next reply.
 
WARNING! The following fix is specific to the user's system in this thread only. No one else should follow these instructions, as it could damage your system.
  • Download the attachment SFCFixScript.txt and save it on your desktop.
  • Save any work you have open, and close all programs.
  • Drag the SFCFixScript.txt file over the SFCFix.exe executable and release it.
    1p8eDnI.gif
  • SFCFix will launch, let it complete.
  • Once done, a file will appear on your desktop, called SFCFix.txt.
  • Attach that file to your next reply.
 

Attachments

Step 1:
WARNING! The following fix is specific to the user's system in this thread only. No one else should follow these instructions, as it could damage your system.
  • Download the attachment SFCFix.zip and save it on your desktop.
  • Save any work you have open, and close all programs.
  • Drag the SFCFix.zip file over the SFCFix.exe executable and release it.
    1p8eDnI.gif
  • SFCFix will launch, let it complete.
  • Once done, a file will appear on your desktop, called SFCFix.txt.
  • Attach that file to your next reply.

Step 2:
1. Click the Start button and type cmd in the search box.
2. Right-click on the cmd that comes up and select Run as administrator.
3. Once you are at the command prompt, copy/paste the following line and press enter.
pnputil -a C:\Windows\WinSxS\amd64_mf.inf_31bf3856ad364e35_6.3.9600.16521_none_b034bbf160fa08cd\mf.inf

4. You will likely receive a prompt that the publisher of the driver cannot be verified. Please install the driver anyway as this message is normal.
 

Attachments

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