Windows Update Error 0x80244018 — HTTP 403 Forbidden

Overview

Windows Update error 0x80244018 means the update server returned an HTTP 403 Forbidden response, typically due to proxy or firewall interference.

Key Details

• Maps to WU_E_PT_HTTP_STATUS_FORBIDDEN
• Server rejected the update request with HTTP 403
• Common in corporate environments with web filtering proxies
• Can also occur when antivirus SSL inspection blocks Microsoft URLs
• Windows Update requires access to *.microsoft.com and *.windowsupdate.com

Common Causes

• Corporate proxy server blocking Windows Update URLs
• Antivirus performing SSL inspection and rejecting Microsoft certificates
• Firewall rules blocking HTTPS traffic to update servers
• Incorrect proxy configuration in WinHTTP settings
• Content filtering appliance categorizing update URLs as blocked

Steps

1. 1Check proxy: netsh winhttp show proxy — ensure it allows Microsoft URLs
2. 2Whitelist *.microsoft.com, *.windowsupdate.com, and *.windows.com in your proxy/firewall
3. 3Disable SSL inspection for Microsoft domains in your antivirus
4. 4Try direct connection: netsh winhttp reset proxy
5. 5Download updates manually from catalog.update.microsoft.com

Tags

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Frequently Asked Questions