This document explains how to fix Microsoft Windows error C8000266 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 updates were not installed. Failed: 86 updates Error(s) found: Code C8000266 Windows update encountered an unknown error.
This solutions applies for following version of Microsoft Windows:
Faulting module name: Windows log.dll, version: 3.7.5352.01329
Exception code: 0xd04g231b
Fault offset: 0xd09b968a
Faulting process ID: 0×442
Faulting application start time: 0x800g1b41487906
Faulting application path: ~<userpath>
Faulting module path: ~C:\Windows\System32
Report ID: f9e39e41-2276-87e1-8513-2385bab2f129
Also Known as
fehler code C8000266, foutcode C8000266, fejlkode C8000266, code d’erreur C8000266, codice di errore C8000266, feil kode C8000266, cod de eroare C8000266, código de error C8000266
Cause of C8000266 Windows Update Error Code
Incompatible Internet proxy configuration
Microsoft Windows internal Application Conflict
Steps to resolve Windows Error C8000266
Step 1: Check if your network is behind Proxy
1. Press down Windows Key + R and Type “CMD” (without quotes)
2. Hit Enter key
3. In command Prompt Copy following commands (Simply select the command and press ctrl+c and press ctrl+v in command prompt)
netsh winhttp import proxy source=ie
Note: You will need Administrator Access to Run the above command. Simply Right Click on CMD button and select “Run as Administrator”
If you get the message “Direct Access (no proxy server)“, continue to the next step otherwise disable proxy from Network Settings.
Step 2:Temporarily Disable any installed 3rd Party Antivirus
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 MicrosoftWindows update error code C8000266 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.
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