[SOLVED] Windows Update Never Stops Running, increases CPU usage to 100%

J

jaycharles

Active member
Joined
Apr 6, 2016
Posts
29
Windows Update cannot complete (nor find) any updates. This is true whether I initiate its execution, or let it start itself. Once it starts running, it expands my
cpu usage (as a service within svchost.exe) to 100% until I manually stop the service. I have let it run for 6-7 hours. No error codes or messages. Running
Vista.
 

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Hi and welcome to Sysnative. Let's see if we can get you fixed up. Please do the following.

Step#1 - System Update Readiness Tool (SUR)
1. Download and run the following file.
2. When it asks you if you wish to install, please answer yes. Note: It could take 15 minutes or more to run. Please don't cancel.
3. You will get an Installation Complete screen when it's done running.
4. Please attach the log from the following location. C:\Windows\Logs\CBS\CheckSUR.log
Please Note:: if the file is too big to upload to your next post please upload via a service such as Dropbox or One Drive or SendSpace and just provide the link.
 
I had cancel KB947821. After 90 minutes, the display bar graph showed no progress (stuck at ~90%).

I appreciate your help.
 

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I let windows update run for 60 minutes. 100% cpu usage, no results. Then I tried KB947821 again. It showed no progress at all.
 
OK, Please do the following.

Step#1 - Run Windows Repairs
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. Download Windows Repair (All-in-One) Portable to your desktop.
2. Once the file is downloaded, right-click on the file on your desktop and choose Extract All...
Extract.JPG

3. Keep the defaults and click the Extract button.
4. A folder named tweaking.com_windows_repair_aio will be extracted to the desktop. Once the extraction is complete the folder will open.
5. Inside this folder, there is a folder named Tweaking.com - Windows Repair. Open this folder as well.
Capture.JPG



6. Double-click on Repair_Windows.exe to open. Note: Please make sure all of your programs are closed and anything you were working on is saved as we will be rebooting.
7. When the program opens, click the Reboot to Safe Mode button at the bottom of the screen. Answer Yes to allow.
8. Once rebooted into Safe Mode, open the program again. When the program opens, click the Repairs tab and click the Open Repairs button.
9. A backup of your registry will be made. After a few moments you will have many options from which you can choose.
10. Please click the Unselect All button and then click to enable only the following ones:

03 - Reset Service Permissions
04 - Register System Files
05 - Repair WMI
06 - Repair Windows Firewall
10 - Remove Policies Set By Infection
14 - Remove Temp Files
15 - Repair Proxy Settings
17 - Repair Windows Updates
21 - Repair MSI (Windows Installer)


11. Ensure the Restart check box is selected and click the Start Repairs button in the lower right of the screen. This may take some time to run so be patient.
StartRepairsWithReboot.JPG

12. Once the fixes are complete you will be prompted to restart your machine. Answer Yes.
 
Done. Thank you for your very precise instructions.

As an aside, I received error 400 in attempting to retrieve the images (on another pc)
 
Thanks. Please check for windows updates again. It will take a long time the first time since the Windows Update cache has to be repopulated. If you are able to leave it go overnight that would be ideal. Let me know when updates show up to install.
 
Windows Update completed, installing 9 of 10 recommended updates (it has failed several times previously attempting to update Silverlight, which I have been ignoring). I am now
defragging before doing a backup. I may not complete the defrag now, as completion is estimated at 20 hours. Is the repair considered complete now?
 
I would check for updates again to see if any more important/recommended updates appear and install those as well. Sometimes there are dependent updates that need installed before others.

Then you may want to uninstall Silverlight from Add/Remove programs so you don't have that failing update. You likely don't need it anyway.

Other than that, yes the repair should be complete.
 
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