Windows 11 – Fix Missing Defender / Windows Security

I’ve recently encountered an issue on Windows 11 devices whereby Windows Defender and the Security portal refuse to open, with it showing a “You’ll need a new app to open this windowsdefender link” popup. This appears to stem from a corrupt app install after one of the recent patches.

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DPM could not execute a WMI query. The query either returned an error or an empty result – Error 33507

So I recently came across this issue after rolling out Trend to a new Data Protection Manager (DPM) instance whereby I couldn’t create new protection groups as it was generating the following error –

Create protection group: ###### System failed:
Error 33507: DPM could not execute a WMI query. The query either returned an error or an empty result.
Recommended action: Retry the operation.

Luckily it proved to be a fairly simple issue to resolve.

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