Everyone wants to keep his system updated, the way is the have automatic installation of Windows Updates. But there may be certain scenarios when you can’t install all updates fully. The reason behind this could be wast, may be you need to repair your computer in order to fix the issues concerning unsuccessful installation of updates.
Today in this article, we’ll see the fix for one such error. Error 80070570 : Windows Update encountered an unknown error, some updates were not installed, as you can see in image above, the issue lets the incomplete installation of Windows Updates. The thing noticeable here is that “Try again” button doesn’t seems working and won’t solve the issue.
FIX 1 : Use Windows Update Automated TroubleshooterTo fix it out initially, you can try the Windows Update Automated Troubleshooter, a specially designed tool to found out and fixes concerning Windows Update. You can download it using following link:
- Download Windows Update Automated Troubleshooter
FIX 2 : Resetting Windows Update Components
- 1. Open the Command Prompt with administrative privileges.
- 2. Now stop the Background Intelligent Transfer Service (BITS) and Windows Update services using following commands:
net stop wuauserv
- 3. Moving on, type following command:
Del “%ALLUSERSPROFILE%\Application Data\Microsoft\Network\Downloader\qmgr*.dat”
After applying above stated command, check whether the issue still persists or not. If it is fixed, then skip the step 4 and directly go to the step 5.
- 4. This is the aggressive step in order to fix the issue. You need to rename following folders using Command Prompt:
To rename the folders, using following commands respectively:Ren %systemroot%\SoftwareDistribution\DataStore *.bak
Ren %systemroot%\SoftwareDistribution\Download *.bak
Ren %systemroot%\system32\catroot2 *.bak
- 5. Now we, reset the BITS service and the Windows Update service to the default security descriptor. To do this enter following commands (copy the commands and right click paste it Command Prompt) :
sc.exe sdset wuauserv D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCLCSWLOCRRC;;;AU)(A;;CCLCSWRPWPDTLOCRRC;;;PU)
Now type the following command:cd /d %windir%\system32
- 6. Next, re-register the BITS files and the Windows Update files. This requires the following bunch of commands to be executed:
- 7. After running and registering all components using above commands, run following command:
In case you’re running Windows XP, then additionally execute following command to set proxy settings:
- 8. We’re almost done now! Just restart the BITS & Windows Update services again using following commands:
net start wuauserv
In this way your issue should be fixed now. Try reinstalling the updates which were not completely installed previously. It should work fine now. If you’re still facing the issues, then please let us know via comment box
Note: If this Tutorial and News worked for you (and it should work), please leave a comment below. Thanks.