Using Windows 8 – Windows Defender Update fails with error 0x80240022? How do I get my definitions to update?

(Last Updated On: February 26, 2018)

Check the PC date and time – right click the clock in the tray and select adjust date and

Verify and correct the month, day, year, and time. Reboot.

If this does not resolve it, contact our support agent at :

You can manually download the (large file with engine and full definitions) latest definitions from the portal here:

 need assistance(remote or live) to resolve the issue initiate the assist