net stop w32time net stop SoftwareProtection net start SoftwareProtection net start w32time slmgr /ato
Choose your country → call the displayed number → enter the confirmation ID.
Open an elevated Command Prompt and run: wuauclt /detectnow /updatenow
: If online activation continues to fail due to network or security protocol issues, use the automated phone system. , and press Enter. Select your country and call the provided toll-free number.
Error code typically means: