Windows Update issue

Yes. KB2267602 is the Microsoft Defender Antivirus security intelligence update for Windows devices. These updates include the antimalware definitions Defender uses, and engine updates are included with security intelligence updates on a monthly cadence.

It is normal for KB2267602 to appear frequently in Windows Update history because Microsoft Defender security intelligence updates are delivered multiple times a day or on a scheduled cadence configured by policy. Windows Defender also receives these updates through Windows Update, Automatic Updates, and WSUS.

To check the currently installed security intelligence version in Windows:

1. Open Windows Security.
2. Select Virus & threat protection.
3. Select Virus & threat protection updates.
4. Review the installed version and download date.
5. Select Check for updates to download newer protection updates if available.

• Microsoft Defender Antivirus security intelligence and product updates and support
• Microsoft Defender Antivirus in the Windows Security app
• Description of Windows Defender definition updates
• Does Windows Update send daily definition updates? - Microsoft Q&A
• Same update being downloaded and installed repeatedly - Microsoft Q&A