windows defender definition update failed

In the Power menu, click on the Restart option, and wait for the process to be completed.Īttempt to update Windows Defender again to confirm if the Error Code 0x80240022 issue has been fixed.

Click on the Windows button at the bottom-left corner of your screen and click on the Power menu.

In that case, restarting your system may be the ultimate solution that’s needed to fix this problem.įollow the steps below to restart your system: It’s possible that some required system files didn’t load correctly when you started your system. Alternatively, you can use several solutions to solve this issue manually.ĭownload PC Repair Solution 1: Restart Your System The easiest way that can fix the Error 0x80240022 is to use the PC Repair software - a reliable optimization software that fixes dozens of Windows system issues in a few clicks.

Operating System: Windows XP, Vista, 7, 8, and 10.

Software: Microsoft Security Essentials.

Here’s some basic information about the Error Code 0x80240022: The Error 0x80240022 can also occur as a result of corrupted or misconfigured Registry entries, corrupted system files/folders, outdated Windows version, temporary cache files, etc.

It’s caused by the Windows Update service in Microsoft Security Essentials-the software that distributes product upgrades and provides protection against different types of malicious programs. The Error 0x80240022 is a Runtime error which is commonly known to cause Windows Defender update problems for Windows OS. Conclusion What Is the Windows Error 0x80240022?

Windows defender definition update failed