Guide to Fix Windows Defender Error 87

You usually update your Windows and its components time to time while connected with internet. Windows 10 operating system is also the newest version or you can say that the newest update of Windows OS. In this version, you get Windows defender program. This feature is used to scan the computer to find out the errors and corruptions. But sometimes when you launch this feature in the computer, you get Windows defender error 87 and there will not any scanning process in the PC until you fix the error. Experts have not found out the exact reasons for the occurring of defender error code 87, but there are some causes responsible for it. They are virus infections, incorrect or corrupt registry files or system files corruption. You should fix Windows error code 87 using the methods provided here in the article. You can fix the issue automatically by downloading and installing Advanced System Repair Tool in the computer.


Compatible with the Windows 8 32-bit and 64-bit Operating System, Windows 7 32-bit and 64-bit Operating System, Windows Vista 32-bit and 64-bit, Windows XP 32-bit
multi-badge-win7

Common symptoms of Windows defender error 87 are automatic shutdown, slow performance of the computer, unable to scan the computer, problem in updating any components, system sticking, occurring of blue screen of death (BSOD) error, severe data loss, apps and programs may get stuck, etc.

Some prime reasons responsible for the occurring of defender error code 87 are incorrect registry files, corruption of the system files associated with Windows defender program, conflicts among the installed applications, conflicts between the Windows defender and the third party antivirus installed, etc.

How to fix Windows error code 87: You can fix Windows defender error 87 by using the manual or automatic error fixing methods recommended or provided here. But keep in your mind that the manual method will require a deep technical knowledge.

  1. Stop the running of Windows defender first.
  2. Repair the corrupt registry files.
  3. Repair the system files corruption manually.
  4. Uninstall the recently installed applications.
  5. Uninstall or remove the third party antivirus.
  6. Now run the Windows defender program again.

After using the above manual steps, you will see that the Windows defender error 87 gets fixed and you are able to scan the computer now. But if the issue is not resolved manually, you must download and install Advanced System Repair Tool in the computer.


Compatible with the Windows 8 32-bit and 64-bit Operating System, Windows 7 32-bit and 64-bit Operating System, Windows Vista 32-bit and 64-bit, Windows XP 32-bit
multi-badge-win7

Advanced System Repair Tool will help you to fix Windows error issues automatically. It will first scan the whole PC, find out the errors and then remove them. The tool will also optimize the computer performance by removing the virus and other infectious files present in the computer.