In the Windows operating system computer, you see so many features and services that help you in completing various technical tasks. Microsoft also tries to update various components of the Windows time to time to make it better from the earlier. In the new version of Windows 10, Microsoft has provided Windows defender programs. It is a very amazing program introduced in the Windows that works as an antivirus. It scans the whole computer and removes the virus it finds. But sometimes when you run it in the computer, you get Windows defender error 0x80508013 on the screen and scanning gets stopped. The situation comes to you due to the missing or automatic deletion of some important system files associated with the Windows defender. In this situation, you must go through the manual or automatic error fixing methods recommended here in this article. You can also download and install Advanced System Repair Tool to fix Windows error code 0x80508013.