Fix Windows Activation Error 0x80004005, License Activation (SLUI.exe) failed or Error 0x8004FE33, Acquisition of Secure Processor Certificate failed.

If there were problems installing some updates and you see error code 0x80004005 while updating Windows 11/10, see this definitive fix.

If you're experiencing any issues installing the Windows 10 November 2019 Update, this guide will help you to troubleshoot and fix virtually any problem.