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Is it possible to safely make Defender want to download extra definitions during a scan?

Reason for asking:- I am looking for a pattern or possible cause of strange behaviour.

A Windows 10 PC no longer gets any additional intelligence updates when running Microsoft Defender Anti-virus (Shows as Defender event ID 2010).
During a full scan, it sometimes get events 7000 & 7009 about services timing out. And Diagnosis-DPS error 135 about radardt.dll.
I'm wondering if it could be a resources issue, and if these things are happening when it tries to get the definitions. It does not get these errors at other times.
The usual Defender antivirus protection updates work fine.

Background:- I have two PCs running Windows 10 Home. They both have the same settings in Defender. One often gets additional intelligence updates while scanning. The other used to get these updates, but has had none since the end of January.

I always check for definitions before a scan. The missing updates are the extras that I believe are part of Defender's cloud-protection. MalwareBytes full scan has been run regularly and has found nothing.

Edit - Update:- I ran this... MpCmdRun.exe" -ValidateMapsConnection on both PCs.
Both said: ValidateMapsConnection successfully established a connection to MAPS (As I understand that Defender cloud protection is a part of MAPS that you get access to with Windows 10 home)

To clarify the question, is there a safe action that often results in the next Defender scan wanting these additional intelligence files (as seen in Defender Event 2010 "Microsoft Defender Antivirus used cloud protection to get additional security intelligence")? For example, running or updating a particular program, or saving a particular type of file?

Eric
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