Code 0x8007000d Windows Update encountered an unknown error.
Why Update Error code 0x8007000d appears?
The Error Code 0x8007000d appears when either you try to download and install updates or when activating Windows OS or MS Office product. This error also known as activation failure error and appears when your product activation files could not be found.
Apart from it, this error occurs due to corrupted or damaged protected system files like dll file, exe file, sys file etc. Most of the updates or installation file relies on various types of system files and if when these files gets damaged or replaced by another program then you may start experiencing different types of error including 0x8007000d.
In order to fix this update failed error, you need to fix various corners of your Operating System. Here, I am listing out all the possible solutions by which you can fix your problem.
Method 1: Fix using Advanced System Repair Tool
As I mentioned above that this error mostly appears because of corrupted or damaged system files, corrupted registry entries, outdated system driver and operating system and due to virus or trojan. So, in order to fix these problems you need to install Advanced System Repair Tool. This tools scans PC and fix all the problems including update error 0x8007000d.
Method 2: Reset Windows Update Components
Resetting Windows Update Components may fix your problem permanently. This is unique way to fix any update related issue. In this method, you run some sort of command and reset all the components that take part in Windows Update. Here, is the complete article on how can you reset windows update components.
Method 3: Run Windows Update Troubleshooter
Windows Update Troubleshooter works when you start facing update related issue. Windows Update Troubleshooter scans all the windows update components and fix problems if any found. This is most easiest and primary way to fix update related issues. You can run Windows Update Troubleshooter as follows:
Method 4: Run System File Checker Tool
System File Checker tool is actually a command line tool in which you run single line of code in command prompt and check and repair corrupted or damaged system files. The system file checker tool is used for fixing corrupted system protected file like exe file, sys file, dll file, ocx file, inf file etc.
Method 5: Run DISM Command
DISM stands for Deployment Image Servicing and Management. This is a command line tool that is used for fixing errors or corruption in Windows Image file. If there is any corruption in Windows Image file then System File Checker tool gets failed to repair protected system file and unable to fix update error 0x8007000d. You can use DISM command as follows:
In this article, I explained 5 ways to fix Windows Update Error 0x8007000d or Windows Activation Failed Error 0x8007000d. By applying all these methods you can fix several more other update related issue in Windows 10/8/7/Vista and Windows Server.