This document explains how to fix Microsoft Windows error code 80070663 if it is not working properly or throwing an error while installing, updating or upgrading Windows.

The error message may look like:
– Windows could not search for new updates. An error occurred while checking for new updates for your computer.
– Some updated were not installed. Failed: 75 updates – KB2817631
– The detection failed, this can be due to a corrupted installation database –
Error(s) found: Code 80070663 Windows update encountered an unknown error.

This solutions applies for following version of Microsoft Windows:

  • Windows 7
  • Windows 8
  • Windows 8.1
  • Windows 10
Error 80070663 Windows Update Overview
Avg. Time to Resolve Issue   40 mins
Difficulty Critical
Log Name: MicrosofWindowsUpdateError8922.log
Source: Service Control manager
Event ID: 6107
Operating System
  • Windows 7
  • Windows 8
  • Windows 8.1
  • Windows 10
Level: System Error
User: User
  • Faulting Application Name: Window Update Manager , version: 2.0.3098.55250, time stamp: 0×44588066
  • Faulting module name: Windows  error.dll, version: 9.5.5936.00661
  • Exception code: 0xe05f975a
  • Fault offset: 0xc03d653e
  • Faulting process ID: 0×739
  • Faulting application start time: 0x800g9e28388779
  • Faulting application path: ~<userpath>
  • Faulting module path: ~C:\Windows\System32
  • Report ID: d9d76e93-2927-18a2-1677-3233bbe7e278
Also Known as
  • WindowsUpdate_80070663
  • 80070663
  • WindowsUpdate_80070663e
  • 80070663e
  • 0x80070663
  • fehler code 80070663, foutcode 80070663, fejlkode 80070663, code d’erreur 80070663, codice di errore 80070663, feil kode 80070663, cod de eroare 80070663, código de error 80070663

Cause of 80070663 Windows Update Error Code

  • Internet connectivity issue
  • System DLL files conflict

Steps to resolve Windows Error Code 80070663

Step 1: Check Windows Firewall

1. In Start Search box type Windows Firewall
Open Windows Firewall2. Click on Windows Firewall.
3. Click on “Turn Windows Firewall On or Off
Turn Windows Firewall on or off4. In Private network Setting, select “Turn off Windows firewall (not recommended)
5. Do the same for Public Network Setting.
Disable Windows Firewall6. Press OK.
Note: After the issue is resolved you must turn the Windows Firewall on.

Step 2: Disable any installed Antivirus/Malware/Adware Program Temporarily:

Some times Antivirus/Malware/Adware programs mark Microsoft Windows installer files as Spam and block it from installing. Please refer your vendors website for disabling it temporarily. Once installation is done you can activate it again.

In most cases Microsoft Windows update error code 80070663 should be resolved by following above steps. If however the issue still persists it means there is some critical issue with your system which needs to be fixed manually and is recommended to be done by an experienced Computer Technician.

You can chat one-on-one with one of our Microsoft Certified Support Representative 24/7 by clicking on the Chat button.

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Last Updated: 07/01/2016
Solution ID: 124198

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    April 13th, 2016

    Posted In: Microsoft Windows

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