Disable telemetry scheduled tasks

Scheduled task \Microsoft\Windows\Application Experience\Microsoft Compatibility Appraiser: disabled
Scheduled task \Microsoft\Windows\Application Experience\ProgramDataUpdater: disabled
Scheduled task \Microsoft\Windows\Customer Experience Improvement Program\Consolidator: disabled
Scheduled task \Microsoft\Windows\Customer Experience Improvement Program\UsbCeip: disabled
Scheduled task \Microsoft\Windows\Autochk\Proxy: disabled
Scheduled task \Microsoft\Windows\DiskDiagnostic\Microsoft-Windows-DiskDiagnosticDataCollector: disabled
Scheduled task \Microsoft\Windows\Feedback\Siuf\DmClient: disabled
Scheduled task \Microsoft\Windows\Feedback\Siuf\DmClientOnScenarioDownload: disabled

Before anything is written, the review screen shows this setting's current value on your PC next to the new one.

Stops periodic background scans (the Compatibility Appraiser can use noticeable CPU and disk).

Upgrade-compatibility checks run only when Windows Update needs them.

Moderate evidence means: helps in specific situations. Expected impact is small (1 of 3): how much it can matter when this is actually the bottleneck on your PC, not a promised gain.

Yes. It's in the Privacy pack, so that pack and Optimize everything include it. You can still untick it in the review screen.

Switch the tweak off in Nexus, or open Restore Center and restore this change (or choose Undo last change). Nexus writes back the original value it recorded before applying, not a generic default, then reads it back to confirm.