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

Sorry for the delay. I didn't notice you last post.

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.
  • Open the file, then copy and paste its content in 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\System32\DriverStore\FileRepository\wpdcomp.inf_amd64_22c8d717677445a8\wpdcomp.inf
When completed, copy/paste the following line and press enter.
pnputil -a C:\Windows\System32\DriverStore\FileRepository\prnxxcl4.inf_amd64_535ce11649f7ce5b\prnxxcl4.inf
When completed, copy/paste the following line and press enter.
pnputil -a C:\Windows\System32\DriverStore\FileRepository\prnsacl1.inf_amd64_a8c9f0a9afbf7fee\prnsacl1.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

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.
  • Open the file, then copy and paste its content in 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\System32\DriverStore\FileRepository\prnrccl1.inf_amd64_199309060c6f165c\prnrccl1.inf
When completed, copy/paste the following line and press enter.
pnputil -a C:\Windows\System32\DriverStore\FileRepository\prnnecl2.inf_amd64_3b0bca37d86f2b43\prnnecl2.inf
When completed, copy/paste the following line and press enter.
pnputil -a C:\Windows\System32\DriverStore\FileRepository\prnms002.inf_amd64_9d0cde6e5b49680f\prnms002.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

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.
  • Open the file, then copy and paste its content in 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\System32\DriverStore\FileRepository\prnlxclw.inf_amd64_a2671cc1ffb1e2c1\prnlxclw.inf
When completed, copy/paste the following line and press enter.
pnputil -a C:\Windows\System32\DriverStore\FileRepository\prnlxclv.inf_amd64_862a6e50105dd984\prnlxclv.inf
When completed, copy/paste the following line and press enter.
pnputil -a C:\Windows\System32\DriverStore\FileRepository\prnkycl1.inf_amd64_163cc22836252908\prnkycl1.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

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.
  • Open the file, then copy and paste its content in 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\System32\DriverStore\FileRepository\prnhpcl4.inf_amd64_78e43ed6c81755c6\prnhpcl4.inf
When completed, copy/paste the following line and press enter.
pnputil -a C:\Windows\System32\DriverStore\FileRepository\prnhpcl3.inf_amd64_42801ec2403dcd08\prnhpcl3.inf
When completed, copy/paste the following line and press enter.
pnputil -a C:\Windows\System32\DriverStore\FileRepository\prnhpcl1.inf_amd64_7fabcaaf5cd357b9\prnhpcl1.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

Provide the DRIVERS Hive
  • Navigate to C:\Windows\System32\config and locate the DRIVERS file.
  • Please copy this file to your desktop.
  • Note: If you receive an error that this file is in-use, simply reboot your computer and try again.
  • Right-click on this file on your desktop and select Send To > Compressed (zipped) folder. This will create a file named DRIVERS.ZIP on your desktop.
  • If the file is too large to upload here, upload the file to www.wetransfer.com and post the link in your next reply.
 
Warning: This script was written specifically for this user, for use on that particular machine. Do not run this script on another machine.
  1. Download the attachment fixlist.txt and save it to your desktop.
  2. Right-click on FRST64.exe and select "Run as administrator".
  3. Press the Fix button.
  4. The tool will now process fixlist.txt.
  5. 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.
  6. When finished, a log called Fixlog.txt will appear in the same directory the tool is run from.
  7. Attach the logfile Fixlog.txt to your next reply.
 

Attachments

Warning: This script was written specifically for this user, for use on that particular machine. Do not run this script on another machine.
  1. Download the attachment fixlist.txt and save it to your desktop.
  2. Right-click on FRST64.exe and select "Run as administrator".
  3. Press the Fix button.
  4. The tool will now process fixlist.txt.
  5. 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.
  6. When finished, a log called Fixlog.txt will appear in the same directory the tool is run from.
  7. Attach the logfile Fixlog.txt to your next reply.
 

Attachments

Step 1:
Replace the Drivers Hive

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.
  1. Download the attachment DRIVERS.zip and save it to your desktop.
  2. Right-click on it and select "Extract all...". Put a check-mark at "Show extracted files when complete" and click Extract.
  3. We are going to use the extracted file to replace your current one.
  4. Navigate to the folder C:\Windows\System32\config
  5. Right-click on the current DRIVERS file and select rename. Rename it to DRIVERS.bad.
    Note: If you get an error that the file is in use, reboot your computer and then try again.
  6. Copy the extracted file from the attachment and paste it into the folder C:\Windows\System32\config

Step 2:
Restart the machine.
Try to install KB3000850 again.
If it fails attach the files C:\Windows\Logs\CBS\cbs.log and C:\Windows\INF\setupapi.dev.log.
 

Attachments

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